v4.10.0: OpenTracks

Changes:
- Support gain/loss via BLE Environmental Sensing (barometer)
- Internal barometer can be turned off (e.g., if broken)
- Material3 for preference switches
- SplashScreen supports day/night mode
- Bluetooth sensor settings: show selected sensor name (if cached by Android)

Bugfix:
- Interval UI was misaligned

Developer:
- Cleanup TrackRecordingServiceConnection
- TrackRecordingService always starts as ForegroundService