Merge branch...

Merge branch '471083-enable-optimistic-prefetching-for-work-items-in-hierarchy-linked-item-widget' into 'master' 

Enable optimistic prefetching for work items in issuable list

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/159468



Merged-by: Natalia Tepluhina <ntepluhina@gitlab.com>
Approved-by: Jack Chapman <jachapman@gitlab.com>
Approved-by: Natalia Tepluhina <ntepluhina@gitlab.com>
Reviewed-by: Natalia Tepluhina <ntepluhina@gitlab.com>
Co-authored-by: Anastasia Khomchenko <anastasiakhomchenko@Anastasias-MacBook-Pro-2.local>