Bug 10543 - Unify item mandatory subfields check

Bug 10543 - Unify item mandatory subfields check

Use of CheckMandatorySubfields from cataloging.js
everywhere an item cataloging form is checked for
mandatory fields.

Signed-off-by: Srdjan <srdjan@catalyst.net.nz>
Signed-off-by: Katrin Fischer <Katrin.Fischer.83@web.de>
Signed-off-by: Galen Charlton <gmc@esilibrary.com>
(cherry picked from commit 0d4724e81b94b290a5b58970a8f59ebe8340f165)
Signed-off-by: Tomas Cohen Arazi <tomascohen@gmail.com>
Couldn't reproduce using $i as in the test plan, but $o triggered the problem, which this patch series fix.