[HDRP] [LightExplorer] Fix missing refreshwhen editing property with a running paused editor. (#5321)

* Update HDLightExplorerExtension.cs

* Update CHANGELOG.md

Author: RSlysz

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

@@ -359,6 +359,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Fixed incorrect light list indexing when TAA is enabled (case 1352444).
 - Fixed Additional Velocity for Alembic not taking correctly into account vertex animation
 - Fixed wrong LUT initialization in Wireframe mode.
+- Fixed case where the SceneView don't refresh when using LightExplorer with a running and Paused game (1354129)
 
 ### Changed
 - Changed Window/Render Pipeline/HD Render Pipeline Wizard to Window/Rendering/HDRP Wizard

com.unity.render-pipelines.high-definition/Editor/Lighting/HDLightExplorerExtension.cs

@@ -581,6 +581,10 @@ protected virtual LightingExplorerTableColumn[] GetHDLightColumns()
                         {
                             Undo.RecordObject(lightData, "Changed contact shadow override");
                             useContactShadow.@override = overrideUseContactShadows;
+
+                            //SceneView don't update when interacting with Light Explorer when playing and pausing (1354129)
+                            if (EditorApplication.isPlaying && EditorApplication.isPaused)
+                                SceneView.RepaintAll();
                         }
                     }
                     else
@@ -640,6 +644,10 @@ protected virtual LightingExplorerTableColumn[] GetHDLightColumns()
                     {
                         Undo.RecordObject(lightData, "Changed affects diffuse");
                         lightData.affectDiffuse = affectDiffuse;
+
+                        //SceneView don't update when interacting with Light Explorer when playing and pausing (1354129)
+                        if (EditorApplication.isPlaying && EditorApplication.isPaused)
+                            SceneView.RepaintAll();
                     }
                 }, (lprop, rprop) =>
                     {
@@ -674,6 +682,10 @@ protected virtual LightingExplorerTableColumn[] GetHDLightColumns()
                     {
                         Undo.RecordObject(lightData, "Changed affects specular");
                         lightData.affectSpecular = affectSpecular;
+
+                        //SceneView don't update when interacting with Light Explorer when playing and pausing (1354129)
+                        if (EditorApplication.isPlaying && EditorApplication.isPaused)
+                            SceneView.RepaintAll();
                     }
                 }, (lprop, rprop) =>
                     {