Bug 29094: Adding hold via SIP should check if patron can hold item first

Bug 29094: Adding hold via SIP should check if patron can hold item first

When placing holds via SIP2, there is no holdability check. This seems very incorrect.

Test Plan:
1) Apply this patch
2) prove -r t/db_dependent/SIP

Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit 7b21fb020b868ebaad97fc8a8970dc9570b76e56)

Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>