message: fixed fitler in some states
diff: @@ -1049,7 +1049,9 @@ export class AndFilter implements FilterBase {
  }
  public __applyToConsumer(add: FilterConsumer): void {
  + if (this.a)
  this.a.__applyToConsumer(add);
  + if (this.b)
  this.b.__applyToConsumer(add);
  }
  }
  