Atmospheric Fog placed in BP will not render in Standalone or Packaged Game

Atmospheric Fog when placed inside of a Blueprint, and the BP placed in level will render correctly in PIE and Editor but will not render at all in Standalone Game, Launch or Packaged Games. This is a regression from 4.7.6.

Also reproduced in Main Promotable-CL-2599540

1. Open QAGame Editor
2. Create a New Actor BP
3. In BP, add a Atmospheric Fog component
4. Place the BP in the level.
5. Delete the existing Sky Sphere and Atmospheric Fog Actors.
6. Play in Standalone Game

RESULTS: Background is Completely Black

EXPECTED: Atmospheric Fog should be rendering into background.