MT#16171 revert to prior callist direction filter behaviour

calls of subscribers of the same contract (inter-pbx?)
should not appear in "in" calls when using "customer_id" filter.

Change-Id: I9380a171c200f87601ae2d047460d3de278e20e9

lib/NGCP/Panel/Controller/API/CallLists.pm

@@ -166,6 +166,7 @@ class_has 'query_params' => (
                         } else {
                             return {
                                 'destination_account_id' => $owner->{customer}->id,
+                                'source_account_id' => {'!=' => $owner->{customer}->id},
                             };
                         }
                     }