Fix for area light baked data not updating when changing the gizmo #1075

Author: FrancescoC-unity

com.unity.render-pipelines.high-definition/CHANGELOG.md

@@ -66,6 +66,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Fixed issue with culling layer mask of area light's emissive mesh 
 - Fixed UI drawing of the quaternion (1251235)
 - The `CustomPassLoadCameraColor` and `CustomPassSampleCameraColor` functions now returns the correct color buffer when used in after post process instead of the color pyramid (which didn't had post processes).
+- Fixed for area light not updating baked light result when modifying with gizmo.
 
 ### Changed
 - Shadowmask and realtime reflection probe property are hide in Quality settings

com.unity.render-pipelines.high-definition/Runtime/Lighting/Light/HDAdditionalLightData.cs

@@ -2677,6 +2677,8 @@ void UpdateShapeSize()
             // Force to clamp the shape if we changed the type of the light
             shapeWidth = m_ShapeWidth;
             shapeHeight = m_ShapeHeight;
+
+            legacyLight.areaSize = new Vector2(shapeWidth, shapeHeight);
         }
 
         /// <summary>