message: Prevent ROUs from creating new chats/new rooms
  Spawn a SetMxIdDialog instead and do nothing.
diff: @@ -502,21 +502,23 @@ module.exports = React.createClass({
  this.notifyNewScreen('settings');
  break;
  case 'view_create_room':
  - //this._setPage(PageTypes.CreateRoom);
  - //this.notifyNewScreen('new');
  + if (MatrixClientPeg.get().isGuest()) {
  + dis.dispatch({action: 'view_set_mxid'});
  + break;
  + }
  var TextInputDialog = sdk.getComponent("dialogs.TextInputDialog");
  Modal.createDialog(TextInputDialog, {
  title: "Create Room",
  description: "Room name (optional)",
  button: "Create Room",
  - onFinished: (should_create, name) => {
  - if (should_create) {
  + onFinished: (shouldCreate, name) => {
  + if (shouldCreate) {
  const createOpts = {};
  if (name) createOpts.name = name;
  createRoom({createOpts}).done();
  }
  - }
  + },
  });
  break;
  case 'view_room_directory':
  @@ -531,6 +533,9 @@ module.exports = React.createClass({
  this._setPage(PageTypes.HomePage);
  this.notifyNewScreen('home');
  break;
  + case 'view_set_mxid':
  + this._setMxId();
  + break;
  case 'view_create_chat':
  this._createChat();
  break;
  @@ -679,8 +684,29 @@ module.exports = React.createClass({
  });
  },
  + _setMxId: function() {
  + const SetMxIdDialog = sdk.getComponent('views.dialogs.SetMxIdDialog');
  + const close = Modal.createDialog(SetMxIdDialog, {
  + homeserverUrl: MatrixClientPeg.get().getHomeserverUrl(),
  + onFinished: (submitted, credentials) => {
  + if (!submitted) {
  + return;
  + }
  + this.onRegistered(credentials);
  + },
  + onDifferentServerClicked: (ev) => {
  + dis.dispatch({action: 'start_registration'});
  + close();
  + },
  + }).close;
  + },
  +
  _createChat: function() {
  - var ChatInviteDialog = sdk.getComponent("dialogs.ChatInviteDialog");
  + if (MatrixClientPeg.get().isGuest()) {
  + dis.dispatch({action: 'view_set_mxid'});
  + return;
  + }
  + const ChatInviteDialog = sdk.getComponent("dialogs.ChatInviteDialog");
  Modal.createDialog(ChatInviteDialog, {
  title: "Start a new chat",
  });
  