[Port] [6000.5] [UUM-135640][6000.6][URP 2D] Fix shadow caster 2d culling

Author: svc-reach-platform-support

Packages/com.unity.render-pipelines.universal/Runtime/2D/Shadows/ShadowCaster2D.cs

@@ -279,9 +279,9 @@ internal bool IsLit(Light2D light)
         {
             // Oddly adding and subtracting vectors is expensive here because of the new structures created...
             Vector3 deltaPos;
-            deltaPos.x = light.m_CachedPosition.x - boundingSphere.position.x;
-            deltaPos.y = light.m_CachedPosition.y - boundingSphere.position.y;
-            deltaPos.z = light.m_CachedPosition.z - boundingSphere.position.z;
+            deltaPos.x = light.boundingSphere.position.x - boundingSphere.position.x;
+            deltaPos.y = light.boundingSphere.position.y - boundingSphere.position.y;
+            deltaPos.z = light.boundingSphere.position.z - boundingSphere.position.z;
 
             float distanceSq = Vector3.SqrMagnitude(deltaPos);