[URP/SG] Fix for UUM-136747

Author: FredMoreau

Packages/com.unity.render-pipelines.universal/Editor/ShaderGraph/Targets/UniversalLitSubTarget.cs

@@ -380,8 +380,8 @@ public static SubShaderDescriptor LitSubShader(UniversalTarget target, WorkflowM
 
                 // Currently neither of these passes (selection/picking) can be last for the game view for
                 // UI shaders to render correctly. Verify [1352225] before changing this order.
-                result.passes.Add(PassVariant(CorePasses.SceneSelection(target), CorePragmas.Default));
-                result.passes.Add(PassVariant(CorePasses.ScenePicking(target), CorePragmas.Default));
+                result.passes.Add(PassVariant(CorePasses.SceneSelection(target), CorePragmas.Instanced));
+                result.passes.Add(PassVariant(CorePasses.ScenePicking(target), CorePragmas.Instanced));
                 result.passes.Add(PassVariant(LitPasses._2D(target), CorePragmas.Default));
 
                 return result;

Packages/com.unity.render-pipelines.universal/Editor/ShaderGraph/Targets/UniversalUnlitSubTarget.cs

@@ -262,8 +262,8 @@ public static SubShaderDescriptor Unlit(UniversalTarget target, string renderTyp
 
                 // Currently neither of these passes (selection/picking) can be last for the game view for
                 // UI shaders to render correctly. Verify [1352225] before changing this order.
-                result.passes.Add(PassVariant(CorePasses.SceneSelection(target), CorePragmas.Default));
-                result.passes.Add(PassVariant(CorePasses.ScenePicking(target), CorePragmas.Default));
+                result.passes.Add(PassVariant(CorePasses.SceneSelection(target), CorePragmas.Instanced));
+                result.passes.Add(PassVariant(CorePasses.ScenePicking(target), CorePragmas.Instanced));
 
                 return result;
             }