* feat(Communities): Introduce pending states for kick, ban and unban actions
Close#11795
* feat(Communities): Show bannedMembers pending states on the UI
* feat(Communities:) make kick, ban and unban methods async
* feat(Communities): add signal about community membership status change
* fix(Communities): move membership managment to to the appropriate model
* chore: review fixes
Also fix other smaller issues found in this panel:
- display correct user name (not just `model.displayName`)
- do not display tooltips for invisible buttons
- vertically center the action buttons
- use `SearchBox` for consistency
Fixes#11848
Mikhail Rogachev
Michał Cieślak
Lukáš Tinkl
Alex Jbanca