Particle lights cause flickering when using either FXAA or no AA, but turns into black squares on the screen when you enable Gaussian Blur

Regression: Yes, does not occur in 4.10

Steps to Reproduce

1. Open the attached project
2. In the sample map, select the Global PostProcess Volume
3. Change the AA method to FXAA

Result: White flickering lights

4. Change the DoF to Gaussian Blur

Result: Black flickering boxes

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ComponentUE - Graphics Features
Affects Versions4.114.124.13
Target Fix4.13
Fix Commit3083349
Main Commit3092051
Release Commit3083349
CreatedMay 23, 2016
ResolvedAug 10, 2016
UpdatedMay 2, 2018
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