Merge branch '435254-work-items-add-comment-and-close-button' into 'master'

Resolve "Work items: Add comment and close button"

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/141025



Merged-by: Natalia Tepluhina <ntepluhina@gitlab.com>
Approved-by: Nick Leonard <nleonard@gitlab.com>
Approved-by: Deepika Guliani <dguliani@gitlab.com>
Approved-by: Natalia Tepluhina <ntepluhina@gitlab.com>
Reviewed-by: Natalia Tepluhina <ntepluhina@gitlab.com>
Reviewed-by: Donald Cook <dcook@gitlab.com>
Reviewed-by: Deepika Guliani <dguliani@gitlab.com>
Co-authored-by: Donald Cook <dcook@gitlab.com>