Merge branch 'counts_cache_for_wirk_item_list_page' into 'master'

Performance improvements work items lists

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/167183



Merged-by: Nicolas Dular <ndular@gitlab.com>
Approved-by: Felipe Cardozo <fcardozo@gitlab.com>
Approved-by: Nicolas Dular <ndular@gitlab.com>
Reviewed-by: Alexandru Croitor <acroitor@gitlab.com>
Co-authored-by: Alexandru Croitor <acroitor@gitlab.com>