adapt get_voip_account_subscriber_by_id parameter

lib/csc/Controller/callforward.pm

@@ -747,7 +747,7 @@ sub load_subscriber :Private {
     my $subscriber;
 
     return unless $c->model('Provisioning')->call_prov( $c, 'voip', 'get_voip_account_subscriber_by_id',
-        { id => $c->session->{user}->{data}->{subscriber_id} },
+        { subscriber_id => $c->session->{user}->{data}->{subscriber_id} },
         \$subscriber,
     );
     return $subscriber;