message: Show `open-all-notifications` on unsaved filters
diff: @@ -55,7 +55,11 @@ function addOpenReposButton(): void {
  }
  function addOpenAllButton(): void {
  - select('.js-check-all-container .Box-header')!.append(
  + // Selector works on:
  + // https://github.com/notifications (Grouped by date)
  + // https://github.com/notifications (Grouped by repo)
  + // https://github.com/notifications?query=reason%3Acomment (which is an unsaved filter)
  + select('.js-check-all-container .js-bulk-action-toasts ~ div .Box-header')!.append(
  <button className="btn btn-sm rgh-open-notifications-button" type="button">
  <LinkExternalIcon className="mr-1"/>Open all unread
  </button>
  