Merge tag '1.6.1'

umbrelOS 1.6.1

Add arrow key navigation to Files listing

Fix Files video viewer keyboard conflicts and audio cleanup

Fix widget backdrop-filter flash on homescreen

Use real desktop components for Settings preview

Update Umbrel Pro device info

Update first app recommendations

Prevent settings summary columns from stretching with long usernames

Expose file sharing in settings

Narrow password input width on login page

Fix WebSocket subscription data loss caused by tRPC client ID collisions

Don't run a backup while a recovery operation is in progress

Instant file copy on supported copy-on-write filesystems

Improve search UX in App Store and Files