Eagerly pre-fetches the available patron template fields by calling the
validation endpoint on mount (and whenever serviceId changes).
Results are cached by React Query for 5 minutes.
Parameters
serviceId: number
The ID of the saved patron auth service. When undefined
the query is disabled and fieldsError reports that the service must
be saved first.
Eagerly pre-fetches the available patron template fields by calling the validation endpoint on mount (and whenever serviceId changes). Results are cached by React Query for 5 minutes.