[BE] Add feature flag check for code analytics
Discovery Issue: https://gitlab.com/gitlab-org/gitlab-ee/issues/12683
Feature flags introduced in https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/16102
Edited by Aakriti Gupta
Discovery Issue: https://gitlab.com/gitlab-org/gitlab-ee/issues/12683
Feature flags introduced in https://gitlab.com/gitlab-org/gitlab-ee/merge_requests/16102