message: fix: initRay() fills in ray.time
diff: @@ -405,7 +405,6 @@ inline ScreenSample PathTracer_renderPixel(uniform PathTracer *uniform self,
  cameraSample.time = timeSample.x;
  camera->initRay(camera, screenSample.ray, cameraSample);
  - screenSample.ray.time = timeSample.x;
  ScreenSample sample = PathTraceIntegrator_Li(self, cameraSample.screen,
  screenSample.ray, rng);
  