Merge branch '391728-global-search-duplicate-metrics' into 'master'

Mark duplicate metrics for group global search as removed

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/150302



Merged-by: Piotr Skorupa <pskorupa@gitlab.com>
Approved-by: Piotr Skorupa <pskorupa@gitlab.com>
Co-authored-by: Sebastian Rehm <srehm@gitlab.com>