Made a few changes to comply with Steam Deck verification requirements:
- Fixed non-value settings items getting greyed out incorrectly on Steam Deck
- Fixed Window Size setting being selectable on Steam Deck
- Fixed loading and saving settings that are disabled on Steam Deck
- Fixed Custom Skin sprite overlapping the score on the End Score screen
- Upgrade screen descriptions now use the standard-scaling small font to comply with Steam Deck text size requirements
- We now hide key indicators in construct UI when using gamepad controls
- We now don't grey out the Online Leaderboard setting item on Steam Deck
- Fixed line wrapping length in end game unlock messages