Fix the SSS medium camera position

Assets/TestScenes/HDTest/BasicProfiling.unity

   m_PrefabInternal: {fileID: 0}
   m_GameObject: {fileID: 298751447}
   m_LocalRotation: {x: 0, y: 0.7071068, z: -0.7071068, w: 0}
-  m_LocalPosition: {x: -190.29999, y: 6.9106402, z: 88.41943}
+  m_LocalPosition: {x: -190.29999, y: 5.16, z: 88.41943}
   m_LocalScale: {x: 1, y: 1.0000005, z: 1.0000005}
   m_Children: []
   m_Father: {fileID: 1603209476}