Add my-reaction filter (EE)

What does this MR do?

EE version of https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/12962

Are there points in the code the reviewer needs to double check?

Make sure everything works on EE

Why was this MR needed?

EE has search filters that are not in CE, without this EE MR, CE => EE will break

Screenshots (if relevant)

Does this MR meet the acceptance criteria?

• Changelog entry added, if necessary
• Documentation created/updated
• API support added
• Tests
  • Added for this feature/bug
  • All builds are passing
• Conform by the merge request performance guides
• Conform by the style guides
• Branch has no merge conflicts with master (if it does - rebase it please)
• Squashed related commits together

What are the relevant issue numbers?

Closes gitlab-org/gitlab-ee#1938. https://gitlab.com/gitlab-org/gitlab-ce/issues/35618