Also adds a sanity check when applying the type suffix to see if it's already there to avoid needless doubleups
Fixes offsetting/positioning behavior on icon buttons to actually respect the icon position variable
Adds sanity checks to ensure we're not trying to utilize a in-process-of-deleting decoy dummy
Fixes handling of sliders in option menus to properly store and test unapplied values
Fixes handling of display device setting to properly store and test unapplied values
Adds additional logic to creation of shape and material asset previews to attempt to force-load dependencies to improve likelihood that they'll actually be loaded when we go to generate the preview.
Temp disables creating cubemap 'assets' via the RMB context menu in the AB
