Kick/ban room members (#2501)

* Add a temporary membershipChangePublisher on the timeline.

* Kick/Ban users from a room.

* Unit tests.

* Disable autocorrection on the members list search field.

ElementX/Sources/Mocks/RoomMemberProxyMock.swift

@@ -27,6 +27,7 @@ struct RoomMemberProxyMockConfiguration {
     var powerLevel = 0
     var role = RoomMemberRole.user
     var canInviteUsers = false
+    var canKickUsers = false
     var canBanUsers = false
     var canSendStateEvent: (StateEventType) -> Bool = { _ in true }
 }
@@ -43,6 +44,7 @@ extension RoomMemberProxyMock {
         powerLevel = configuration.powerLevel
         role = configuration.role
         canInviteUsers = configuration.canInviteUsers
+        canKickUsers = configuration.canKickUsers
         canBanUsers = configuration.canBanUsers
         canSendStateEventTypeClosure = configuration.canSendStateEvent
     }