Migrates not owned Growth feature flags to acquisition

...lags/development/about_your_company_registration_flow.yml

...ture_flags/development/update_oauth_registration_flow.yml

config/feature_flags/experiment/combined_registration.yml

...g/feature_flags/experiment/invite_members_in_side_nav.yml

config/feature_flags/experiment/null_hypothesis.yml

config/feature_flags/experiment/pql_three_cta_test.yml

...re_flags/experiment/security_reports_mr_widget_prompt.yml

...lags/experiment/video_tutorials_continuous_onboarding.yml

ee/config/feature_flags/development/free_user_cap.yml

..._flags/development/free_user_cap_data_remediation_job.yml

...s/development/free_user_cap_group_sharing_remediation.yml

...onfig/feature_flags/development/preview_free_user_cap.yml

...onfig/feature_flags/experiment/cart_abandonment_modal.yml

ee/config/feature_flags/experiment/cross_stage_fdm.yml

ee/config/feature_flags/experiment/group_contact_sales.yml

...xperiment/highlight_paid_features_during_active_trial.yml

...feature_flags/experiment/promote_mr_approvals_in_free.yml

...feature_flags/experiment/promote_premium_billing_page.yml

ee/spec/lib/ee/api/entities/experiment_spec.rb

ee/spec/requests/api/experiments_spec.rb