TT#78153 fix _item_by_aor for redis

- prevent unneccesary redis "scan"s
- avoid filter/scan (iterating all registrations) by properly
un-aliasing filednames
- ignore any registration of subs that no longer exists
- apply the fixes for ->search(), but also ->find()

(cherry picked from commit adabbf084b)

(cherry picked from commit 65a3d54d240277d195c9d45cc66b3d42b68b3269)

Change-Id: Iad554dbb909421458784de4230a3129fca56ac5f

lib/NGCP/Panel/Utils/RedisLocationResultSet.pm

@@ -163,7 +163,7 @@ sub _rows_from_mapkey {
             '+select' => ['reseller.id'],
             '+as' => ['reseller_id']
         })->first;
-        next unless $subscribers_reseller;
+        return unless $subscribers_reseller;
         if (exists $filter->{reseller_id} && $filter->{reseller_id} != $subscribers_reseller->get_column('reseller_id')) {
             next;
         }