Bug 31095: Remove GetDebarments from Restriction/Type.t

Bug 31095: Remove GetDebarments from Restriction/Type.t

This patch replaces GetDebarments with $patron->restrictions in
t/db_dependent/Koha/Patron/Restriction/Type.t

Test plan
1. Confirm t/db_dependent/Koha/Patron/Restriction/Type.t passes prior to
   the patch
2. Confirm t/db_dependent/Koha/Patron/Restriction/Type.t passes after
   the patch
3. Confirm no tests were removed

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