Steam Deck OS Beta Update: Docked mode fixes and more

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

Added external display output resolution and refresh rate selection UI in Display Settings (requires Steam Client Beta)
Automatically avoid problematic resolutions like 4096x2160 or 30Hz modes on external displays
Improved frame pacing when compositing (such as when FSR is enabled)
Improved touch / de-touch detection speeds
Fixed in-game camera control issues when using a physical mouse
Fixed aspect ratio and resolution not properly switching in the Steam UI after reconnecting an external monitor
Fixed a scenario where an SD Card format operation could fail
Fixed an issue where frames could drop on external displays at lower refresh rates
Fixed an issue where small touches would be ignored on edges of some trackpads
Fixed unsolicited random haptic events
Fixed boot tone volume to be equalized across models
Modified USB descriptors to support controller navigation in EFI menu at boot