reactivated higher ranking of objects with a preview image
reactivated higher ranking of objects with a preview image


Former-commit-id: 8449b20c2612c0628820536861f898ddab91b2f3
Deutsche-Digitale-Bibliothek/ddb-backend,Deutsche-Digitale-Bibliothek/ddb-backend,Deutsche-Digitale-Bibliothek/ddb-backend,Deutsche-Digitale-Bibliothek/ddb-backend,Deutsche-Digitale-Bibliothek/ddb-backend