Bug 22302: Make ITEMTYPECAT descriptions fallback to lib description if no opac descr...

Bug 22302: Make ITEMTYPECAT descriptions fallback to lib description if no opac description

Signed-off-by: Andrew Fuerste-Henry <andrew@bywatersolutions.com>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Joy Nelson <joy@bywatersolutions.com>
(cherry picked from commit b985cf5b88fa5e04e7b3dcca263e3c9ce4d0b27a)

Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>
(cherry picked from commit 2a6c77f6aaba704e90fa8bc7976696233816ad50)

Signed-off-by: Hayley Mapley <hayleymapley@catalyst.net.nz>