Bug fixes

FEATURES:
- Added an override to GuiInGame for Remote2DGame instances
FIXES:
- Fixed a bug where an error would be thrown when trying to edit an
entity’s texture
- Fixed a bug on windows and linux where the shift up-arrow wouldn’t
show in the editor top menu
- Fixed a bug where two different menu options were assigned
SHFT-CTRL-S.  Now that option goes to “Save As…”
- Fixed a bug where an error would be thrown when applying blank text
fields.
- Fixed a bug that would cause tomfoolery whenever an entity was
removed from the list during a tick.
- Fixed a bug where clicking outside of the browser or the hierarchy
would still select elements that weren’t showing due to scrolling.