Check the Value of seat_control for User Cap Enforcement

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/160602



Merged-by: Suraj Tripathi <stripathi@gitlab.com>
Approved-by: Angelo Gulina <agulina@gitlab.com>
Approved-by: Suraj Tripathi <stripathi@gitlab.com>
Reviewed-by: Vijay Hawoldar <vhawoldar@gitlab.com>
Reviewed-by: Angelo Gulina <agulina@gitlab.com>
Co-authored-by: Jason Goodman <jgoodman@gitlab.com>