Landscape Grass No Longer Casts a Shadow with "Use Landscape Lightmap" Enabled. Working as expected in 4.20 CL# 4369336 and 4.21 CL# 4753647

Found in 4.22 CL# 5660361 and 4.23 CL# 5779284

Steps to Reproduce
  1. Open attached Project
  2. Load the "LandscapeGrassLightmapBug" level
  3. Look at the landscape grass

Landscape grass does not have any lightmap but uses volumetric samples which results lower quality shadows.

Grass would be casting a shadow.

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ComponentTools - Landscape
Affects Versions4.224.23
Target Fix4.22.2
Fix Commit6109190
Main Commit6109237
CreatedApr 8, 2019
ResolvedApr 26, 2019
UpdatedMay 15, 2019