Update UI for GPU instancing

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Editor/Material/LayeredLit/LayeredLitUI.cs

             {
                 optionsChanged = true;
             }
+
-            EditorGUI.indentLevel--;
+
+            EditorGUILayout.Space();
+            EditorGUILayout.LabelField(StylesBaseUnlit.advancedText, EditorStyles.boldLabel);
+            // NB RenderQueue editor is not shown on purpose: we want to override it based on blend mode
+            EditorGUI.indentLevel++;
+            EditorGUI.indentLevel--;
 
             if (layerChanged || optionsChanged)
             {

ScriptableRenderPipeline/HDRenderPipeline/HDRP/Editor/Material/Lit/LitUI.cs

         {
             EditorGUILayout.Space();
             EditorGUILayout.LabelField(Styles.lightingText, EditorStyles.boldLabel);
+            EditorGUI.indentLevel++;
             m_MaterialEditor.ShaderProperty(enableSpecularOcclusion, Styles.enableSpecularOcclusionText);
             // TODO: display warning if we don't have bent normal (either OS or TS) and ambient occlusion
             //if (enableSpecularOcclusion.floatValue > 0.0f)
-            EditorGUI.indentLevel++;
             m_MaterialEditor.TexturePropertySingleLine(Styles.emissiveText, emissiveColorMap, emissiveColor);
 
             m_MaterialEditor.ShaderProperty(UVEmissive, Styles.UVBaseMappingText);