message: Add (potential) Jitsi auth type to widget data
  So we don't have to fetch the auth type when joining
  the conference.
diff: @@ -411,12 +411,14 @@ async function _startCallApp(roomId, type) {
  const parsedUrl = new URL(widgetUrl);
  parsedUrl.search = ''; // set to empty string to make the URL class use searchParams instead
  parsedUrl.searchParams.set('confId', confId);
  + parsedUrl.searchParams.set('auth', jitsiAuth);
  widgetUrl = parsedUrl.toString();
  const widgetData = {
  conferenceId: confId,
  isAudioOnly: type === 'voice',
  domain: jitsiDomain,
  + auth: jitsiAuth,
  };
  const widgetId = (
  