We need to make subroutine from C4 use more Koha::Object objects
Seeing bug 19276, starting here is a good start.
Test plan:
The tests should still pass.
Signed-off-by: Jon Knight <J.P.Knight@lboro.ac.uk>
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>