message: Restore `parse-backticks` on Discussions
diff: @@ -42,6 +42,7 @@ function init(): void {
  '#user-repositories-list [itemprop="description"]', // `isUserProfileRepoTab` repository description
  '.js-hovercard-content > .Popover-message .link-gray-dark', // Hovercard (GHE #4021)
  '.js-hovercard-content > .Popover-message .Link--primary', // Hovercard
  + '.js-discussions-title-container h1 > .js-issue-title', // `isDiscussion`
  'a[data-hovercard-type="discussion"]', // `isDiscussionList`
  ].map(selector => selector + ':not(.rgh-backticks-already-parsed)').join(',');
  