Merge branch '411447-catalog-list-item-mock-data' into 'master'

Remove remaining mock data on catalog list item

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/122664



Merged-by: Anna Vovchenko <avovchenko@gitlab.com>
Approved-by: Mireya Andres <mandres@gitlab.com>
Approved-by: Anna Vovchenko <avovchenko@gitlab.com>
Reviewed-by: Frédéric Caplette <fcaplette@gitlab.com>
Reviewed-by: Mireya Andres <mandres@gitlab.com>
Reviewed-by: Anna Vovchenko <avovchenko@gitlab.com>
Co-authored-by: Frédéric Caplette <fcaplette@gitlab.com>
Co-authored-by: Briley Sandlin <bsandlin@gitlab.com>