TT#174451 fix SubscriberProfile form attribute field list

* the attributes fields list in field_list() {} was rendered
  without the field name, causing internal issues in HTML::FormHandler

Change-Id: Ic4c7a0454135b2bf394a0fb8c4291a0fadd06df6

lib/NGCP/Panel/Form/SubscriberProfile/Profile.pm

@@ -89,6 +89,7 @@ sub field_list {
     foreach my $pref($pref_rs->all) {
         my $desc = $pref->description;
         push @{ $fields }, 'attribute.'.$pref->attribute => {
+            name => $pref->attribute,
             type => 'Checkbox',
             label => $pref->attribute,
             checkbox_value => $pref->id,