This started off as me just wanting to adjust the margin of the search bar but grew a touch ...
- Cleanup margins especially make the member search bar have the same padding as everything else
- Move room information title to header and align all buttons right.
- Make the room name actually bold
- Remove highlight from the user list item after the menu is closed
- Always use actual width so that the drawer isn't wider when modal
- Use control instead of pane for the search bar as the padding works more consistently
- Use BasicListItem instead of AbstractListItem for the member list as this has the layout predefined
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