Merge branch '407766-default-enable-code-suggestions-on-all-top-level-namespaces-2' into 'master'

Default enable code suggestions on all current namespaces

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/117899



Merged-by: Alper Akgun <aakgun@gitlab.com>
Approved-by: Alper Akgun <aakgun@gitlab.com>
Reviewed-by: Alper Akgun <aakgun@gitlab.com>
Co-authored-by: Doug Stull <dstull@gitlab.com>