0.4.0e: Leaderboard fixes

[h2]FIXES & IMPROVEMENTS[/h2]

[h3]Leaderboards:[/h3]

• Fixed an issue where leaderboard scores could be submitted with a score of zero, or not submitted at all, if the game over screen was skipped too quickly. Leaderboard scores are now submitted faster after dying.
  
  
• Fixed an issue where leaderboard menus would sometimes not be visible.
  

[h3]Menus:[/h3]

• The Feedback form has been moved to Options > Advanced > Feedback.
  
  
• Fixed menu panels not resizing correctly with UI Scaling options.
  
  
• Fixed various errors.