Point lights affect indirect lighting on RTGI much less than other types of lights

Only point lights affect indirect lighting on RTGI much less than other types of lights.
[Link Removed]

Indirect lighting of baked lightmaps look much stronger than RTGI.
[Link Removed]

Apparently, it's because only point lights are divided by 4*PI in SetupLightParameters of Engine\Source\Runtime\Renderer\Private\RayTracing\RayTracingGlobalIllumination.cpp

		case LightType_Point:
		default:
		{
			LightParameters->Type[LightParameters->Count] = 1;
			LightParameters->Position[LightParameters->Count] = LightShaderParameters.Position;
			// #dxr_todo: UE-72556 define these differences from Lit..
			LightParameters->Color[LightParameters->Count] = LightShaderParameters.Color / (4.0 * PI);
			float SourceRadius = 0.0; // LightShaderParameters.SourceRadius causes too much noise for little pay off at this time
			LightParameters->Dimensions[LightParameters->Count] = FVector(0.0, 0.0, SourceRadius);
			LightParameters->Attenuation[LightParameters->Count] = 1.0 / LightShaderParameters.InvRadius;
			break;
		}

I removed the 4*PI then it fixed this issue and indirect lighting from a point light on RTGI looks more similar to baked lighting. (Shelved CL: 14023328 on 4.25plus)
[Link Removed]

1. Open the attached project
2. You can see the point light does't affect indirect lighting well
3. Build lighting, you can see the baked lightmaps have indirect lighting.

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