Nullgram

8/6/2025

Fixes:
- fix: a crash caused by NullPointerException from ffmpeg
- fix: privacy and channel follow checks missing
- fix: unused camera icon in photo select sheet

Chores:
- chore: update ci channel id
- chore: update dependencies

Major Update:
- feat: bump ndk version to r28b
- upstream: update ffmpeg to n7.1
- upstream: bump version to v11.12.0