Crash when closing project during target setup

Steps to reproduce:

• Open a (CMake) project and configure / build it
• Close the project, delete all your kits in your settings, delete the CMakeLists.user.txt of the project
• Open the project again
• When the Target setup screen has opened, run "Close All Projects" from the file menu

Expected:

• Project closes

Actual:

• Qt Creator crashes

ASSERT failure in QWidget: "Called object is not of the correct type (class destructor may have already run)", file /Users/mtillmanns/Qt/6.8.2/macos/lib/QtCore.framework/Headers/qobjectdefs_impl.h, line 131