message: guests trying to join communities should fire the ILAG flow.
diff: @@ -723,6 +723,11 @@ export default React.createClass({
  },
  _onJoinClick: async function() {
  + if (this._matrixClient.isGuest()) {
  + dis.dispatch({action: 'view_set_mxid'});
  + return;
  + }
  +
  this.setState({membershipBusy: true});
  // Wait 500ms to prevent flashing. Do this before sending a request otherwise we risk the
  