3D view freezes when deleting view3Ds

Tested with QDS4.1 snapshot (Built on Mar 28 2023 22:33:16)

Steps to reproduce:

• Create general empty project
• Add three View3D components to Navigator
• Click first view3D in Navigator
• Press "Del" key to delete it
• Click second view3D in Navigator
• Press "Del" key to delete it
• -> Would expect 3D View to update and show remaining View3D, but it freezes.
• 3D view recovers after clicking "Reset View" button