[Story] Magnify avatar in detail view

[VolkerJunginger]

Story

As a user that wants to enjoy the beauty of a room or user avatar I want the avatar to be magnified when tapping on it in the details.

• The feature exists already on iOS

Dependencies

• TBD

Sign-offs

Android

• [ ] Design sign-off on completion
• [ ] QA sign-off on completion
• [ ] Product sign-off on completion

Scope

### Android
- [ ] Verified with build in screen reader

Out of scope

• TBD

[manuroe]

Dup of #2207