message: Add preview issue/PR title tooltip in comment
diff: @@ -21,6 +21,7 @@ import linkifyCode, {editTextNodes} from './libs/linkify-urls-in-code';
  import autoLoadMoreNews from './libs/auto-load-more-news';
  import addOPLabels from './libs/op-labels';
  import addReleasesTab from './libs/add-releases-tab';
  +import previewIssues from './libs/preview-issues';
  import * as icons from './libs/icons';
  import * as pageDetect from './libs/page-detect';
  @@ -643,6 +644,7 @@ async function onDomReady() {
  if (pageDetect.isPR() || pageDetect.isIssue() || pageDetect.isCommit()) {
  addReactionParticipants();
  showRealNames();
  + previewIssues();
  }
  if (pageDetect.isCommitList()) {
  