Steam Deck Client Beta Update: Bug fix Tuesday

Note: This update is for the Steam Deck Beta and Preview channels, and includes new features that are still being tested. You can opt into this in Settings > System > Steam Update Channel.

• Added error dialog for when the user clicks on a mailto link
  
• Set scale for startup movies so that the top and bottom of the movie are cropped for 16:9 aspect ratio in docked mode
  
• Fixed issue in desktop mode that sometimes made it difficult to drag the Friends List
  
• Fixed glyphs for third party Nintendo Switch controllers while streaming
  
• Fixed inaccurate location of context menus for the Friends List in desktop mode
  
• Fixed a bug that could prevent exiting offline mode in the same session where the client entered offline mode