message: fixed minor bug in array entity
diff: @@ -204,7 +204,9 @@ class FilterConsumerBridgeToObject implements FilterConsumer {
  let s = '' + v;
  if (val)
  - val = col.valueConverter.toJson(val).toString().toLowerCase();
  + val = col.valueConverter.toJson(val);
  + if (val)
  + val = val.toString().toLowerCase()
  if (s.toLowerCase().indexOf(val) < 0)
  this.ok = false;
  }
  