message: use const ref for mat4
diff: @@ -157,7 +157,7 @@ void ACesium3DTileset::OnFocusEditorViewportOnActors(const AActor* actor) {
  pRootTile->getBoundingVolume();
  // calculate unreal camera position
  - glm::dmat4 transform = this->GetCesiumTilesetToUnrealRelativeWorldTransform();
  + const glm::dmat4& transform = this->GetCesiumTilesetToUnrealRelativeWorldTransform();
  glm::dvec3 ecefCameraPosition = std::visit(CalculateECEFCameraPosition(), boundingVolume);
  glm::dvec3 unrealCameraPosition = transform * glm::dvec4(ecefCameraPosition, 1.0);
  