[BUG] Pinch to zoom always zooms to center of photo

[meichthys]

Describe the bug On Mobile, pinch to zoom always zooms toward the center of the photo regardless of where the 'pinch' happens.

Task List

• [x] I have read thoroughly the README setup and installation instructions.
• [ ] I have included my docker-compose file.
• [ ] I have included my redacted .env file.
• [ ] I have included information on my machine, and environment.

To Reproduce Steps to reproduce the behavior:

1. Open photo on mobile app
2. Pinch to zoom

Expected behavior Zoom should focus on the part of the photo where the 'pinch' happened.

Screenshots

System

• Phone OS [iOS, Android]: iOS 15
• Server Version: 1.28.0
• Mobile App Version: 1.28.0 build55

[alextran1502]

We are aware of the weird touch behavior on mobile app. Thank you for reporting