fixes unity-build error

source/RobotAPI/components/ObjectPoseObserver/ObjectPose.cpp

@@ -95,7 +95,7 @@ namespace armarx::objpose
 
         objectID = { provided.objectID.dataset, provided.objectID.name };
 
-        objectPoseOriginal = toEigen(provided.objectPose);
+        objectPoseOriginal = armarx::objpose::toEigen(provided.objectPose);
         objectPoseOriginalFrame = provided.objectPoseFrame;
 
         armarx::FramedPose framed(objectPoseOriginal, objectPoseOriginalFrame, robot->getName());