Bug 34918: Fix hardcoded borrowernumber 42

Bug 34918: Fix hardcoded borrowernumber 42

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

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit 3298b2798520b9e9d7d37848739dc0b24b5f2e0d)
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>
(cherry picked from commit 3dc01292aa869d1ad896e908bdd161fb19682b41)
Signed-off-by: Jacob O'Mara <jacob.omara@ptfs-europe.com>