message: Fix logcat spam with ubershaders.
  Since the ubershader does not have variants for clear coat, the dummy
  texture there should be unconditional.
diff: @@ -233,11 +233,10 @@ MaterialInstance* UbershaderLoader::createMaterialInstance(MaterialKey* config,
  mi->setParameter("metallicRoughnessMap", mDummyTexture, sampler);
  mi->setParameter("occlusionMap", mDummyTexture, sampler);
  mi->setParameter("emissiveMap", mDummyTexture, sampler);
  - if (config->hasClearCoat) {
  mi->setParameter("clearCoatMap", mDummyTexture, sampler);
  mi->setParameter("clearCoatRoughnessMap", mDummyTexture, sampler);
  mi->setParameter("clearCoatNormalMap", mDummyTexture, sampler);
  - } else {
  + if (!config->hasClearCoat) {
  if (config->hasTransmission) {
  mi->setParameter("transmissionMap", mDummyTexture, sampler);
  }
  