Allow filter merge requests by comments
**Subject:** Reviewing a lot of merge requests daily, i am write comments in some of them After that i am cannot filter them back to review answers **Suggestion:** Add merge requests filter option to filter by comments, to work just like filter `My-Reaction=` **Example** `My-comment!=` to find where i am leave comment `Comment-count!=` to find where some comments ![2021-09-15_11-25](/uploads/e8a6a59279c660f8654d844496e05f7d/2021-09-15_11-25.png)
issue