User/julian/jira95 search user
Adds the search user widget on the dashboard, adding friends and other minor improvements / UI design adjustments. Known problems:
- Due to limitations of the current flutter version the keyboard / focus behavior of the search widgets is not optimal. This, however, can only be fixed by broader changes to the screen base classes.
- User card widgets can be improved to check their user's relation to the currently logged in user themselves and update the respactive states on change. This is left open as a future story.
- getOutgoingFriendRequests always returns empty lists. However, the server is aware of outgoing friend requests, since mirroring them on the other end results in a "friend" relatio of both users. This seems like a backend-side bug.