message: Fix null pointer error on GHE Projects page
diff: @@ -256,6 +256,10 @@ async function updateUnreadIndicator() {
  }
  const statusMark = icon.querySelector('.mail-status');
  + if (!statusMark) {
  + return;
  + }
  +
  const hasRealNotifications = icon.matches('[data-ga-click$=":unread"]');
  const rghUnreadCount = (await getNotifications()).length;
  