Fix https://sentry.service.dsd.io/mojds/pvb2-prod/issues/17569/
Fix https://sentry.service.dsd.io/mojds/pvb2-prod/issues/17569/

Use the fully qualified path to circumvent rails from blowing up
on delegated method from prison to estate

ministryofjustice/prison-visits-2,ministryofjustice/prison-visits-2,ministryofjustice/prison-visits-2,ministryofjustice/prison-visits-2