TT#80161 properly avoid dupes in subscriber datatable

Change-Id: I02c4f4bc8005ae174891f23e0cee5834b8128cc4

lib/NGCP/Panel/Controller/Subscriber.pm

@@ -60,7 +60,7 @@ sub sub_list :Chained('/') :PathPart('subscriber') :CaptureArgs(0) {
     $c->stash->{subscribers_rs} = $c->model('DB')->resultset('voip_subscribers')->search({
         'me.status' => { '!=' => 'terminated' },
     },{
-        distinct => 1,
+        group_by => [ qw/me.id/ ],
     });
     if ($c->user->roles eq 'reseller' || $c->user->roles eq 'ccare') {
         $c->stash->{subscribers_rs} = $c->stash->{subscribers_rs}->search({