Bug 33779: Terminology: biblio record

Bug 33779: Terminology: biblio record

This patch corrects a string in the staff interface's ILL requests
template. "This item cannot be issued as it has no biblio record
associated with it" is updated to read "This item cannot be checked out
as it has no bibliographic record associated with it."

I don't know how to trigger the error message in the interface, but the
change is simple enough that it could be verified by examining the
patch.

Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>