Cannot delete doors and hotspots and rooms

[apuhub]

1. Expected behavior: I open the hot spot dialogue box and click on the delete button and the hotspot deletes. Observed behavior Delete button in bottom right corner does not work.

2. Expected behavior - I am able to press the delete button on the door dialog box and it deletes the door.
   Observed behavior - I see open the door dialog box, I click on the delete button. nothing happens.

4. Delete Room - When I go to delete the room, the experience crashes and goes to a blank screen.

[apuhub]

https://user-images.githubusercontent.com/20505109/167781098-41422f81-f435-4f57-8907-67274f6097c7.mov
Stroll on campus - v2.zip

[apuhub]

https://youtu.be/IO39HM49bSE