message: Fix `default-branch-button` in "old design"
diff: @@ -10,7 +10,7 @@ import getDefaultBranch from '../github-helpers/get-default-branch';
  import {getCurrentBranch} from '../github-helpers';
  async function init(): Promise<false | void> {
  - const branchSelector = await elementReady('#branch-select-menu');
  + const branchSelector = await elementReady<HTMLElement>('[data-hotkey="w"]');
  // The branch selector is missing from History pages of files and folders (it only appears on the root)
  if (!branchSelector) {
  return false;
  @@ -48,11 +48,9 @@ async function init(): Promise<false | void> {
  defaultLink.classList.add('btn-sm');
  }
  - branchSelector.before(defaultLink);
  -
  - const group = groupButtons([defaultLink, branchSelector]);
  - group.classList.add('m-0');
  - group.parentElement!.classList.add('flex-shrink-0');
  + branchSelector.parentElement!.before(defaultLink);
  + groupButtons([defaultLink, branchSelector.parentElement!]);
  + branchSelector.style.float = 'none';
  }
  void features.add({
  