Rect lights cause visual noise on the light rendered when using raytracing

Rect lights cause visual noise on the light rendered when using raytracing. It is easier to see when you get rid of all other light sources in the scene. I have attached an example project.

This seems related to UE-68247.

Found in 4.23.1. CL#9631420
Reproduced in 4.24 P1 CL#9979423, 4.25 Main CL#10098181

1. Create a new project with raytracing enabled.
2. Set RHI Default to DX12 and enable raytracing.
3. Restart the project.
4. Place a sphere and a cube in the level.
5. Place a Rect Light next to each mesh.

Expected: The light renders properly

Result: There is visual noise in the render.

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