v1.6.27

Release v1.6.27

Changes:
- Fix station distance display by fetching lat/lon on connect
- Add voice debug actions to DebugController enum
- Fix WebRTC P2P message delivery and add station device list
- Fix just_audio not available on Linux - skip initialization
- Fix web build by adding conditional imports for FFI code
- Add self-contained audio playback for Linux via ALSA FFI
- Add voice messages to 1:1 DM chat
- Add unread DM badge to Devices navigation icon
- Add laptop icon for desktop devices (Linux/macOS/Windows)
- Fix device distance display and chat bubble readability
- Fix update mirror to sync all binaries even if GitHub Actions is still building