message: Fix batch-breaking by empty filter array
diff: @@ -494,7 +494,7 @@ export default class Container extends DisplayObject
  }
  // do a quick check to see if this element has a mask or a filter.
  - if (this._mask || this.filters)
  + if (this._mask || (this.filters && this.filters.length))
  {
  this.renderAdvanced(renderer);
  }
  