Volumetric Light Fog Leak through objects

Any environment with volumetric fog enabled will have a light leak which appears through objects. 

Found in 4.20 CL# 4369336, 4.21 CL# 4613538, 4.22 CL# 4666322

1. Open the attached project
2. Look at the left wall of the map

Results:
The volumetric fog affected by the point light on the other side leaks through the wall.

Expected:
No light leaks would appear through the wall.