Amethyst 0.14.2: Image Upload fix

1. Fixes Image Upload Permissions for some phones

2. Allows unsecured (`ws://`) relay additions for Umbrel users.

3. Enables users to leave and join their own groups

4. Fixes bad website URI on user profile crashing the app

5. Fixes QR Code display and scan elements for smaller screens.

6. Fixes a translation not showing up in old phones (dependency issue)

7. Activates ProGuard to minimize code automatically (random bugs expected)

8. Improved Relay-based user search performance.