Scene view camera's state is restored properly when exiting a tutorial after an assembly reload.
If clicking a Switch Tutorial button while having unmodified changes in the scene, and choosing to cancel, do not return to the tutorial selection page, instead keep the current tutorial page.
Prevent showing of Close Tutorials dialog when Play Mode is changing
Fix tutorial window layouts not functioning after a tutorial project is restarted.
Hide the instruction title element when it has no content.
Fixed loading the tutorial scene twice when starting a tutorial, improving the tutorial start-up time.
