message: Fix branch switcher conflict with `default-branch-button`
diff: @@ -49,6 +49,7 @@ async function init(): Promise<false | void> {
  }
  branchSelector.parentElement!.before(defaultLink);
  + branchSelector.parentElement!.style.zIndex = 'auto'; // For #4240
  groupButtons([defaultLink, branchSelector.parentElement!]).classList.add('d-flex');
  branchSelector.style.float = 'none'; // Pre "Repository refresh" layout
  }
  