message: HDRI has intensity/color
diff: @@ -50,7 +50,6 @@ namespace ospray {
  if (ImGui::Checkbox("visible", &b))
  node["visible"].setValue(b);
  - if (lightType != "hdri") {
  f1 = node["intensity"].valueAs<float>();
  if (ImGui::DragFloat("intensity", &f1, 0.1f, 0.0f, 0.0f, "%.1f"))
  node["intensity"].setValue(f1);
  @@ -58,7 +57,6 @@ namespace ospray {
  f3 = node["color"].valueAs<vec3f>();
  if (ImGui::ColorEdit3("color", f3))
  node["color"].setValue(f3);
  - }
  if (lightType == "distant") {
  f3 = node["direction"].valueAs<vec3f>();
  