message: set membership in case we don't get the ev
diff: @@ -119,7 +119,7 @@ export const CommandMap = {
  const cli = MatrixClientPeg.get();
  const ev = cli.getRoom(roomId).currentState.getStateEvents('m.room.member', cli.getUserId());
  const content = {
  - ...ev ? ev.getContent() : null,
  + ...ev ? ev.getContent() : { membership: 'join' },
  displayname: args,
  };
  return success(cli.sendStateEvent(roomId, 'm.room.member', content, cli.getUserId()));
  