message: If public room creation fails, retry without publishing it
diff: @@ -221,6 +221,14 @@ export default async function createRoom(opts: IOpts): Promise<string | null> {
  let roomId;
  return client.createRoom(createOpts).finally(function() {
  if (modal) modal.close();
  + }).catch(function(err) {
  + if (err.httpStatus === 403 && err.errcode == "M_UNKNOWN") {
  + console.warn("Failed to publish room, try again without publishing it");
  + createOpts.visibility = Visibility.Private;
  + return client.createRoom(createOpts);
  + } else {
  + return Promise.reject(err);
  + }
  }).then(function(res) {
  roomId = res.room_id;
  if (opts.dmUserId) {
  