Bug 34836: Add patron check to isbd and marc detail pages

Bug 34836: Add patron check to isbd and marc detail pages

Test plan:
- Go to circulation rules and set On shelf holds allowed to If all unavailable
- Log out
- Visit a MARC detail or ISBD detail bib record on OPAC:
http://localhost:8080/cgi-bin/koha/opac-MARCdetail.pl?biblionumber=76
http://localhost:8080/cgi-bin/koha/opac-ISBDdetail.pl?biblionumber=76
- Notice it blows up with error 500, on both occasions
- Apply patch. Repeat.

Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>