<!--IssueSummary start--> <details> <summary> Everyone can contribute. [Help move this issue forward](https://handbook.gitlab.com/handbook/marketing/developer-relations/contributor-success/community-contributors-workflows/#contributor-links) while earning points, leveling up and collecting rewards. </summary> - [Work on this issue](https://contributors.gitlab.com/manage-issue?action=work&projectId=278964&issueIid=348828) - [Close this issue](https://contributors.gitlab.com/manage-issue?action=close&projectId=278964&issueIid=348828) </details> <!--IssueSummary end--> Identified in https://gitlab.com/gitlab-org/gitlab-design/-/issues/1644. When commenting, try to save the user `@-mention` autocomplete results to avoid re-requests. Currently requests for the same search results are repeated, even though those requests have been already made in the current session, **in different comment textareas**.