message: Use default backend in shadowtest.
diff: @@ -65,8 +65,7 @@ static const Config config {
  .title = "shadowtest",
  .iblDirectory = FilamentApp::getRootAssetsPath() + IBL_FOLDER,
  .scale = 1,
  - .splitView = false,
  - .backend = Backend::VULKAN,
  + .splitView = false
  };
  int main(int argc, char** argv) {
  