message: thisfea -> this
  idk what I was doing
diff: @@ -81,7 +81,7 @@ export default class RoomSettingsDialog extends React.Component {
  tabs.push(new Tab(
  _td("Advanced"),
  "mx_RoomSettingsDialog_warningIcon",
  - <AdvancedRoomSettingsTab roomId={thisfea.props.roomId} />,
  + <AdvancedRoomSettingsTab roomId={this.props.roomId} />,
  ));
  // tabs.push(new Tab(
  // _td("Visit old settings"),
  