message: Fixes CanvasExtract plugin canvas method without target
diff: @@ -95,7 +95,7 @@ export default class CanvasExtract
  else
  {
  context = renderer.rootContext;
  -
  + resolution = renderer.resolution;
  frame = TEMP_RECT;
  frame.width = this.renderer.width;
  frame.height = this.renderer.height;
  