wasm: error when switching cameras

mera-test.wasm:0x46f0f Uncaught RuntimeError: table index is out of bounds
    at QWasmMediaCaptureSession::setCamera(QPlatformCamera*) (camera-test.wasm:0x46f0f)
    at QMediaCaptureSession::setCamera(QCamera*) (camera-test.wasm:0x106fa7)
    at MainWindow::on_camerasComboBox_textActivated(QString const&) (camera-test.wasm:0x1dd35)
    at MainWindow::qt_static_metacall(QObject*, QMetaObject::Call, int, void**) (camera-test.wasm:0x27676)
    at MainWindow::qt_metacall(QMetaObject::Call, int, void**) (camera-test.wasm:0x2795f)
    at QMetaObject::metacall(QObject*, QMetaObject::Call, int, void**) (camera-test.wasm:0x982e3d)
    at void doActivate<false>(QObject*, int, void**) (camera-test.wasm:0x9ace17)
    at QMetaObject::activate(QObject*, QMetaObject const*, int, void**) (camera-test.wasm:0x9b3ad0)
    at QComboBoxPrivate::emitActivated(QModelIndex const&) (camera-test.wasm:0x2363ee)
    at QComboBoxPrivate::_q_itemSelected(QModelIndex const&) (camera-test.wasm:0x23b5b6)
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