message: Fix missing hitArea & filters to destroy
diff: @@ -456,12 +456,13 @@ export class DisplayObject extends EventEmitter
  this.transform = null;
  this.parent = null;
  -
  this._bounds = null;
  this._currentBounds = null;
  this._mask = null;
  + this.filters = null;
  this.filterArea = null;
  + this.hitArea = null;
  this.interactive = false;
  this.interactiveChildren = false;
  