Fix Render Graph UI bug in Render Pipeline Debugger

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

@@ -120,6 +120,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.
 - Fixed issue in wizard when resource folder don't exist
 - Fixed issue with Decal projector edge on Metal (case 1286074)
 - Fixed Exposure Frame Settings control issues on Planar reflection probes (case 1312153). Dynamic reflections now keep their own exposure relative to their parent camera.
+- Fixed Render Graph Debug UI not refreshing correctly in the Render Pipeline Debugger.
 
 ### Changed
 - Changed Window/Render Pipeline/HD Render Pipeline Wizard to Window/Rendering/HDRP Wizard

com.unity.render-pipelines.high-definition/Runtime/Debug/DebugDisplay.cs

@@ -1017,7 +1017,8 @@ void RefreshDecalsDebug<T>(DebugUI.Field<T> field, T value)
 
         void RefreshRenderingDebug<T>(DebugUI.Field<T> field, T value)
         {
-            UnregisterDebugItems(k_PanelRendering, m_DebugRenderingItems);
+            // Explicitly invoke the render debug unregister to handle render graph items.
+            UnregisterRenderingDebug();
             RegisterRenderingDebug();
         }