message: Fix a crash where flare is on but starburst off
diff: @@ -1875,8 +1875,10 @@ FrameGraphId<FrameGraphTexture> PostProcessManager::colorGrading(FrameGraph& fg,
  }
  if (bloomOptions.lensFlare && flare) {
  data.flare = builder.sample(flare);
  + if (starburst) {
  data.starburst = builder.sample(starburst);
  }
  + }
  },
  [=](FrameGraphResources const& resources, auto const& data, DriverApi& driver) {
  Handle<HwTexture> colorTexture = resources.getTexture(data.input);
  