message: remove camera addition out of for loop
diff: @@ -743,7 +743,7 @@ void GLTFData::visitNode(NodePtr sgNode,
  if (cameraTemplate->child(c.first).sgOnly())
  camera->child(c.first).setSGOnly();
  }
  -
  + }
  auto uniqueCamName =
  n.name != "" ? n.name : "camera_" + std::to_string(nCamera);
  camera->child("uniqueCameraName") = uniqueCamName;
  @@ -751,7 +751,6 @@ void GLTFData::visitNode(NodePtr sgNode,
  camera->child("cameraId").setSGOnly();
  cameras->push_back(camera);
  - }
  newXfm->add(camera);
  }
  