Merge branch 'sc1-test-recursive-ff' into 'master'

Add specs to catch recursive feature-flag requests

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/106534



Merged-by: Sean McGivern <sean@gitlab.com>
Approved-by: Thong Kuah <tkuah@gitlab.com>
Approved-by: Sean McGivern <sean@gitlab.com>
Co-authored-by: schin1 <schin@gitlab.com>