Merge branch 'tr-disable-metric-shortcuts' into 'master'

Hide metrics shortcuts behind `remove_monitor_metrics` feature flag

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/118741



Merged-by: Natalia Tepluhina <ntepluhina@gitlab.com>
Approved-by: Natalia Tepluhina <ntepluhina@gitlab.com>
Approved-by: Ammar Alakkad <aalakkad@gitlab.com>
Reviewed-by: Ammar Alakkad <aalakkad@gitlab.com>
Co-authored-by: Tristan Read <tread@gitlab.com>