Bug 33844: Fix is_denied_renewal

Bug 33844: Fix is_denied_renewal

Going via result_set->has_column does cost actually nothing if
the object is already there.

Test plan:
Run again t/db_dependent/Koha/Item.t

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit a215087a6af5852a76eea86246a76eb7d0741315)
Signed-off-by: Pedro Amorim <pedro.amorim@ptfs-europe.com>