HDRenderLoop: Enable CCT and LinearLighting

Assets/ScriptableRenderLoop/HDRenderLoop/HDRenderLoop.cs

                 reflectionProbe = UnityEditor.SupportedRenderingFeatures.ReflectionProbe.Rotation
             };
 #endif
-            /*
+
-            */
 
             m_CameraColorBuffer = Shader.PropertyToID("_CameraColorTexture");
             m_CameraDepthBuffer  = Shader.PropertyToID("_CameraDepthTexture");
 #if UNITY_EDITOR
             UnityEditor.SupportedRenderingFeatures.active = UnityEditor.SupportedRenderingFeatures.Default;
 #endif
-           // UnityEngine.Rendering.GraphicsSettings.lightsUseLinearIntensity = previousLightsUseLinearIntensity;
-           // UnityEngine.Rendering.GraphicsSettings.lightsUseCCT = previousLightsUseCCT;
+           UnityEngine.Rendering.GraphicsSettings.lightsUseLinearIntensity = previousLightsUseLinearIntensity;
+           UnityEngine.Rendering.GraphicsSettings.lightsUseCCT = previousLightsUseCCT;
         }
 
         void InitAndClearBuffer(Camera camera, RenderLoop renderLoop)

Assets/ScriptableRenderLoop/HDRenderLoop/Lighting/TilePass/TilePass.cs

 
             public Vector3 GetLightColor(VisibleLight light)
             {
-                // Linear intensity calculation (different from legacy Unity - match LinearLighting new option in 5.6)
-                var lightColorR = light.light.intensity * Mathf.GammaToLinearSpace(light.light.color.r);
-                var lightColorG = light.light.intensity * Mathf.GammaToLinearSpace(light.light.color.g);
-                var lightColorB = light.light.intensity * Mathf.GammaToLinearSpace(light.light.color.b);
-
-                return new Vector3(lightColorR, lightColorG, lightColorB);
+                return new Vector3(light.finalColor.r, light.finalColor.g, light.finalColor.b);
             }
 
             // Return number of added shadow