message: Don't overwrite the 'domain' data key for all widgets
  Some widgets, which aren't Jitsi widgets, might need this to be something else.
diff: @@ -569,12 +569,14 @@ export default class AppTile extends React.Component {
  *
  * @returns {string} url with temlate variables replaced
  */
  - _templatedUrl(u) {
  + _templatedUrl(u, widgetType: string) {
  + const targetData = {};
  + if (WidgetType.JITSI.matches(widgetType)) {
  + targetData['domain'] = 'jitsi.riot.im'; // v1 jitsi widgets have this hardcoded
  + }
  const myUserId = MatrixClientPeg.get().credentials.userId;
  const myUser = MatrixClientPeg.get().getUser(myUserId);
  - const vars = Object.assign({
  - domain: "jitsi.riot.im", // v1 widgets have this hardcoded
  - }, this.props.app.data, {
  + const vars = Object.assign(targetData, this.props.app.data, {
  'matrix_user_id': myUserId,
  'matrix_room_id': this.props.room.roomId,
  'matrix_display_name': myUser ? myUser.displayName : myUserId,
  @@ -611,18 +613,19 @@ export default class AppTile extends React.Component {
  } else {
  url = this._getSafeUrl(this.state.widgetUrl);
  }
  - return this._templatedUrl(url);
  + return this._templatedUrl(url, this.props.app.type);
  }
  _getPopoutUrl() {
  if (WidgetType.JITSI.matches(this.props.app.type)) {
  return this._templatedUrl(
  WidgetUtils.getLocalJitsiWrapperUrl({forLocalRender: false}),
  + this.props.app.type
  );
  } else {
  // use app.url, not state.widgetUrl, because we want the one without
  // the wURL params for the popped-out version.
  - return this._templatedUrl(this._getSafeUrl(this.props.app.url));
  + return this._templatedUrl(this._getSafeUrl(this.props.app.url), this.props.app.type);
  }
  }
  