message: Improve compatibility between `sticky-discussion-sidebar` and `clean-sidebar`
  Closes
diff: @@ -44,7 +44,6 @@ import './features/mark-unread';
  import './features/open-all-notifications';
  import './features/copy-on-y';
  import './features/profile-hotkey';
  -import './features/sticky-discussion-sidebar';
  import './features/close-out-of-view-modals';
  import './features/improve-shortcut-help';
  import './features/deprioritize-marketplace-link';
  @@ -124,6 +123,7 @@ import './features/hide-disabled-milestone-sorter';
  import './features/tag-changelog-link';
  import './features/link-to-file-in-file-history';
  import './features/clean-sidebar';
  +import './features/sticky-discussion-sidebar';
  import './features/release-download-count';
  import './features/open-issue-to-latest-comment';
  import './features/toggle-everything-with-alt';
  