"MissingReferenceException" is thrown when "Maximize" function is used

How to reproduce:
1. Create and open a "2D Platformer Microgame" project
2. Load Tutorials
3. Start "Get Started" Tutorial
4. Select "Maximize" function from the meatball menu
5. Observe Console window

Expected result: Tutorial window should be maximised. Console should be clean (without the errors)
Actual result: Console throws an error "MissingReferenceException: The object of type 'DockArea' has been destroyed but you are still trying to access it"

Tested on: macOS Monterey, version 12.6

Reproducible with: template version 4.0.1 (2021.3.16f1)
Not reproducible with: template version 2.1.0 (2020.3.43f1)