Add time tracking on create work item

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/143507



Merged-by: Felipe Artur <fcardozo@gitlab.com>
Approved-by: Felipe Artur <fcardozo@gitlab.com>
Approved-by: Mario Celi <mcelicalderon@gitlab.com>
Reviewed-by: Felipe Artur <fcardozo@gitlab.com>
Co-authored-by: Alexandru Croitor <acroitor@gitlab.com>