Merge branch 'bwill/refactor-keyset-pagination-list' into 'master'

Ask model for supported keyset orders instead of maintaining a list

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/137172



Merged-by: Aaron Huntsman <ahuntsman@gitlab.com>
Approved-by: Pedro Pombeiro <noreply@pedro.pombei.ro>
Approved-by: Aaron Huntsman <ahuntsman@gitlab.com>
Approved-by: Jarka Košanová <jarka@gitlab.com>
Approved-by: Rajendra Kadam <rkadam@gitlab.com>
Reviewed-by: Pedro Pombeiro <noreply@pedro.pombei.ro>
Reviewed-by: Rajendra Kadam <rkadam@gitlab.com>
Co-authored-by: Brian Williams <bwilliams@gitlab.com>