message: Fix IBL loading bug with missing cubemap levels
diff: @@ -136,10 +136,12 @@ bool IBL::loadCubemapLevel(filament::Texture** texture, const utils::Path& path,
  std::string const& levelPrefix) const {
  Texture::FaceOffsets offsets;
  Texture::PixelBufferDescriptor buffer;
  - loadCubemapLevel(texture, &buffer, &offsets, path, level, levelPrefix);
  + if (loadCubemapLevel(texture, &buffer, &offsets, path, level, levelPrefix)) {
  (*texture)->setImage(mEngine, level, std::move(buffer), offsets);
  return true;
  }
  + return false;
  +}
  bool IBL::loadCubemapLevel(
  filament::Texture** texture,
  