message: Fixes SpriteMask filterArea lagging by 1 frame
diff: @@ -146,10 +146,11 @@ export default class MaskSystem extends System
  alphaMaskFilter[0].resolution = this.renderer.resolution;
  alphaMaskFilter[0].maskSprite = maskData;
  - // TODO - may cause issues!
  - target.filterArea = maskData.getBounds(true);
  + const stashFilterArea = target.filterArea;
  + target.filterArea = maskData.getBounds(true);
  this.renderer.filter.push(target, alphaMaskFilter);
  + target.filterArea = stashFilterArea;
  this.alphaMaskIndex++;
  }
  