[XR] Point cloud visualizer prefab's scaling mode should be "hierarchy", not "local" to make it work with a scaled session origin.

Assets/Prefabs/AR Point Cloud Debug Visualizer.prefab

       m_RotationOrder: 4
   moveWithTransform: 0
   moveWithCustomTransform: {fileID: 0}
-  scalingMode: 1
+  scalingMode: 0
   randomSeed: 0
   InitialModule:
     serializedVersion: 3