wip/runtime2: Deleting an object from scene crashes

1  RtlpNtMakeTemporaryKey                                        ntdll                               0x7ffacf6a4c2e 
2  RtlAllocateHeap                                               ntdll                               0x7ffacf5e52cb 
3  RtlAllocateHeap                                               ntdll                               0x7ffacf5e143b 
4  RtlpNtMakeTemporaryKey                                        ntdll                               0x7ffacf6a317e 
5  memset                                                        ntdll                               0x7ffacf65b52c 
6  RtlAllocateHeap                                               ntdll                               0x7ffacf5e143b 
7  calloc_base                                                   ucrtbased                           0x7ffaa1c7d116 
8  calloc_base                                                   ucrtbased                           0x7ffaa1c7cebd 
9  malloc_dbg                                                    ucrtbased                           0x7ffaa1c7ff7f 
10 malloc                                                        ucrtbased                           0x7ffaa1c809fe 
11 QArrayData::allocate                                          qarraydata.cpp                 118  0x7ffa8564d1ef 
12 QTypedArrayData<Qt3DRender::Render::ShaderUniform>::allocate  qarraydata.h                   226  0x7ffa87bb3f27 
13 QVector<Qt3DRender::Render::ShaderUniform>::reallocData       qvector.h                      563  0x7ffa87e1ca3c 
14 QVector<Qt3DRender::Render::ShaderUniform>::append            qvector.h                      684  0x7ffa87ef6282 
15 QVector<Qt3DRender::Render::ShaderUniform>::push_back         qvector.h                      260  0x7ffa87ef69ad 
16 Qt3DRender::Render::ShaderParameterPack::setSubmissionUniform shaderparameterpack.cpp        95   0x7ffa87ef5924 
17 Qt3DRender::Render::Shader::prepareUniforms                   shader.cpp                     281  0x7ffa87e12ad4 
18 Qt3DRender::Render::Renderer::prepareCommandsSubmission       renderer.cpp                   930  0x7ffa87ea5c56 
19 Qt3DRender::Render::Renderer::doRender                        renderer.cpp                   693  0x7ffa87ea2bd1 
20 Qt3DRender::QRenderAspectPrivate::renderSynchronous           qrenderaspect.cpp              430  0x7ffa87d55350 
21 Q3DStudio::Q3DStudioRenderer::renderNow                       Q3DStudioRenderer.cpp          610  0x7ff6178264da 
22 Q3DStudio::Q3DSPlayerWidget::paintGL                          Q3DSPlayerWidget.cpp           189  0x7ff617874d41 
23 QOpenGLWidgetPrivate::invokeUserPaint                         qopenglwidget.cpp              880  0x7ffa8e51d47d 
24 QOpenGLWidgetPrivate::render                                  qopenglwidget.cpp              901  0x7ffa8e51d542 
25 QOpenGLWidget::paintEvent                                     qopenglwidget.cpp              1313 0x7ffa8e51b98a 
26 QWidget::event                                                qwidget.cpp                    9073 0x7ffa8e4c8d98 
27 QOpenGLWidget::event                                          qopenglwidget.cpp              1467 0x7ffa8e51bcc6 
28 QApplicationPrivate::notify_helper                            qapplication.cpp               3753 0x7ffa8e46783e 
29 QApplication::notify                                          qapplication.cpp               3704 0x7ffa8e464fb4 
30 QCoreApplication::notifyInternal2                             qcoreapplication.cpp           1060 0x7ffa859fdfe6 
31 QCoreApplication::sendSpontaneousEvent                        qcoreapplication.cpp           1463 0x7ffa859fde8b 
32 QWidgetPrivate::sendPaintEvent                                qwidget.cpp                    5678 0x7ffa8e4d30ad 
33 QWidgetPrivate::drawWidget                                    qwidget.cpp                    5619 0x7ffa8e4d2b6f 
34 QWidgetPrivate::paintSiblingsRecursive                        qwidget.cpp                    5811 0x7ffa8e4d35f7 
35 QWidgetPrivate::drawWidget                                    qwidget.cpp                    5669 0x7ffa8e4d3045 
36 QWidgetPrivate::paintSiblingsRecursive                        qwidget.cpp                    5811 0x7ffa8e4d35f7 
37 QWidgetPrivate::paintSiblingsRecursive                        qwidget.cpp                    5798 0x7ffa8e4d34c4 
38 QWidgetPrivate::paintSiblingsRecursive                        qwidget.cpp                    5798 0x7ffa8e4d34c4 
39 QWidgetPrivate::drawWidget                                    qwidget.cpp                    5669 0x7ffa8e4d3045 
40 QWidgetPrivate::paintSiblingsRecursive                        qwidget.cpp                    5811 0x7ffa8e4d35f7 
41 QWidgetPrivate::drawWidget                                    qwidget.cpp                    5669 0x7ffa8e4d3045 
42 QWidgetPrivate::paintSiblingsRecursive                        qwidget.cpp                    5811 0x7ffa8e4d35f7 
43 QWidgetPrivate::paintSiblingsRecursive                        qwidget.cpp                    5798 0x7ffa8e4d34c4 
44 QWidgetPrivate::paintSiblingsRecursive                        qwidget.cpp                    5798 0x7ffa8e4d34c4 
45 QWidgetPrivate::paintSiblingsRecursive                        qwidget.cpp                    5798 0x7ffa8e4d34c4 
46 QWidgetPrivate::paintSiblingsRecursive                        qwidget.cpp                    5798 0x7ffa8e4d34c4 
47 QWidgetPrivate::paintSiblingsRecursive                        qwidget.cpp                    5798 0x7ffa8e4d34c4 
48 QWidgetPrivate::drawWidget                                    qwidget.cpp                    5669 0x7ffa8e4d3045 
49 QWidgetBackingStore::doSync                                   qwidgetbackingstore.cpp        1426 0x7ffa8e481d56 
50 QWidgetBackingStore::sync                                     qwidgetbackingstore.cpp        1205 0x7ffa8e47ee30 
51 QWidgetPrivate::syncBackingStore                              qwidget.cpp                    1957 0x7ffa8e4d5860 
52 QWidget::event                                                qwidget.cpp                    9237 0x7ffa8e4c948d 
53 QMainWindow::event                                            qmainwindow.cpp                1340 0x7ffa8e6e6917 
54 QApplicationPrivate::notify_helper                            qapplication.cpp               3753 0x7ffa8e46783e 
55 QApplication::notify                                          qapplication.cpp               3704 0x7ffa8e464fb4 
56 QCoreApplication::notifyInternal2                             qcoreapplication.cpp           1060 0x7ffa859fdfe6 
57 QCoreApplication::sendEvent                                   qcoreapplication.cpp           1451 0x7ffa859fbd52 
58 QCoreApplicationPrivate::sendPostedEvents                     qcoreapplication.cpp           1799 0x7ffa859ff98d 
59 QCoreApplication::sendPostedEvents                            qcoreapplication.cpp           1654 0x7ffa859fc19c 
60 QGraphicsViewPrivate::dispatchPendingUpdateRequests           qgraphicsview_p.h              205  0x7ffa8e450881 
61 QGraphicsScenePrivate::_q_processDirtyItems                   qgraphicsscene.cpp             508  0x7ffa8ea3279a 
62 QGraphicsScene::qt_static_metacall                            moc_qgraphicsscene.cpp         186  0x7ffa8ea28ea0 
63 QMetaCallEvent::placeMetaCall                                 qobject.cpp                    521  0x7ffa85a61f61 
64 QObject::event                                                qobject.cpp                    1260 0x7ffa85a5a84f 
65 QGraphicsScene::event                                         qgraphicsscene.cpp             3528 0x7ffa8ea2ed38 
66 TimelineGraphicsScene::event                                  TimelineGraphicsScene.cpp      974  0x7ff6177549b7 
67 QApplicationPrivate::notify_helper                            qapplication.cpp               3753 0x7ffa8e46783e 
68 QApplication::notify                                          qapplication.cpp               3110 0x7ffa8e4622ff 
69 QCoreApplication::notifyInternal2                             qcoreapplication.cpp           1060 0x7ffa859fdfe6 
70 QCoreApplication::sendEvent                                   qcoreapplication.cpp           1451 0x7ffa859fbd52 
71 QCoreApplicationPrivate::sendPostedEvents                     qcoreapplication.cpp           1799 0x7ffa859ff98d 
72 QEventDispatcherWin32::sendPostedEvents                       qeventdispatcher_win.cpp       1093 0x7ffa85ac4f0a 
73 QWindowsGuiEventDispatcher::sendPostedEvents                  qwindowsguieventdispatcher.cpp 82   0x7ffa9de3b6f4 
74 qt_internal_proc                                              qeventdispatcher_win.cpp       247  0x7ffa85ac2d08 
75 CallWindowProcW                                               USER32                              0x7ffacf22b85d 
76 DispatchMessageW                                              USER32                              0x7ffacf22b1ef 
77 QEventDispatcherWin32::processEvents                          qeventdispatcher_win.cpp       640  0x7ffa85ac35e8 
78 QWindowsGuiEventDispatcher::processEvents                     qwindowsguieventdispatcher.cpp 74   0x7ffa9de3b6b4 
79 QEventLoop::processEvents                                     qeventloop.cpp                 139  0x7ffa859f8183 
80 QEventLoop::exec                                              qeventloop.cpp                 225  0x7ffa859f83be 
81 QCoreApplication::exec                                        qcoreapplication.cpp           1363 0x7ffa859fbb0f 
82 QGuiApplication::exec                                         qguiapplication.cpp            1780 0x7ffa86e80c48 
83 QApplication::exec                                            qapplication.cpp               2911 0x7ffa8e461caa 
84 CStudioApp::runApplication                                    StudioApp.cpp                  735  0x7ff617534ab5 
85 CStudioApp::blankRunApplication                               StudioApp.cpp                  668  0x7ff617534b3b 
86 CStudioApp::run                                               StudioApp.cpp                  414  0x7ff6175335bd 
87 main                                                          StudioApp.cpp                  165  0x7ff61753e8e0 
88 WinMain                                                       qtmain_win.cpp                 104  0x7ff6192917fd 
89 invoke_main                                                   exe_common.inl                 99   0x7ff61900cf1d 
90 __scrt_common_main_seh                                        exe_common.inl                 253  0x7ff61900cde7 
91 __scrt_common_main                                            exe_common.inl                 296  0x7ff61900ccae 
92 WinMainCRTStartup                                             exe_winmain.cpp                17   0x7ff61900cf39 
93 BaseThreadInitThunk                                           KERNEL32                            0x7ffacd2d1fe4 
94 RtlUserThreadStart                                            ntdll                               0x7ffacf60cb81