Fix zoekt pagination exception

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/138899



Merged-by: Siddharth Dungarwal <sdungarwal@gitlab.com>
Approved-by: Madelein van Niekerk <mvanniekerk@gitlab.com>
Approved-by: Siddharth Dungarwal <sdungarwal@gitlab.com>
Co-authored-by: Dmitry Gruzd <dgruzd@gitlab.com>