Crash in ExtractNormalsForNextFrameReprojection when in Path Tracing view mode.

Steps to Reproduce
To reproduce:

  1. Create a blank Game project.
  2. Make sure that ray tracing and path tracing is toggled on in project settings
  3. Enable: r.Decal.NormalReprojectionEnabled
  4. Enter the Path Tracing view mode
  5. Crash