message: don't convert to unreal coordinates
diff: @@ -1089,10 +1089,9 @@ static void loadPrimitive(
  } else {
  if (material.hasExtension<ExtensionKhrMaterialsUnlit>()) {
  glm::dvec3 ecefCenter = glm::dvec3(
  - transform * CesiumTransforms::unrealToOrFromCesium *
  + transform *
  glm::dvec4(VecMath::createVector3D(RenderData->Bounds.Origin), 1.0));
  TMeshVector3 upDir = TMeshVector3(VecMath::createVector(
  - CesiumTransforms::unrealToOrFromCesium *
  glm::affineInverse(transform) *
  glm::dvec4(
  CesiumGeospatial::Ellipsoid::WGS84.geodeticSurfaceNormal(
  