message: UserInfo hide kick/mute buttons if they make no sense
diff: @@ -425,6 +425,9 @@ const useRoomPowerLevels = (cli, room) => {
  const RoomKickButton = ({member, startUpdating, stopUpdating}) => {
  const cli = useContext(MatrixClientContext);
  + // check if user can be kicked/disinvited
  + if (member.membership !== "invite" && member.membership !== "join") return null;
  +
  const onKick = async () => {
  const ConfirmUserActionDialog = sdk.getComponent("dialogs.ConfirmUserActionDialog");
  const {finished} = Modal.createTrackedDialog(
  @@ -602,6 +605,9 @@ const BanToggleButton = ({member, startUpdating, stopUpdating}) => {
  const MuteToggleButton = ({member, room, powerLevels, startUpdating, stopUpdating}) => {
  const cli = useContext(MatrixClientContext);
  + // Don't show the mute/unmute option if the user is not in the room
  + if (member.membership !== "join") return null;
  +
  const isMuted = _isMuted(member, powerLevels);
  const onMuteToggle = async () => {
  const ErrorDialog = sdk.getComponent("dialogs.ErrorDialog");
  