Getting Rid of FPackedNormal or raising its accuracy

Development Rendering
7

It’s in! :slight_smile:

Copying //UE4/Dev-Rendering to Dev-Main (//UE4/Dev-Main) (Source: //UE4/Dev-Rendering @ 2943238)
https://github.com/EpicGames/UnrealEngine/commit/5f4d6e257c56dda55d9cac92476fdcbde38d4277