Merge branch 'jc/create-epic-modal-rollout-check' into 'master'

Create epic modal work item rollout check

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/160082



Merged-by: Nicolas Dular <ndular@gitlab.com>
Approved-by: Nicolas Dular <ndular@gitlab.com>
Reviewed-by: Alexandru Croitor <acroitor@gitlab.com>
Reviewed-by: Nicolas Dular <ndular@gitlab.com>
Reviewed-by: Mario Celi <mcelicalderon@gitlab.com>
Co-authored-by: Jack Chapman <jachapman@gitlab.com>