Actor Hidden in Game does not take lighting into account any longer

Using indirect lighting from bounce cards that are set to Actor Hidden in Game no longer generate indirect lighting for the scene.

This is a regression of 4.11.2 where this worked but is no longer working in 4.12 and later.

Tested in:
4.11.2 CL-2946394 - Working
4.12.5 CL-3039270 - Broken
4.13 Dev-Rendering CL-3047755 - Broken

1. Open UE4
2. Setup a scene to use a bounce card with a Spot Light
3. Select the bounce card static mesh and enable "Actor Hidden in Game"
4. Build Lighting

Regression: Yes

Expected: The bounce card should generate indirect lighting for the scene

Results: The bounce card does not generate indirect lighting for the scene.

Workaround: Build lighting for the scene and then set the Bounce Card to be "Actor Hidden in Game" to true.

UE-88880 - Public Discussion

Fix UE-51650

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