HDRenderPipeline: Update SSS update script, affect all database

ScriptableRenderPipeline/HDRenderPipeline/Editor/HDRenderPipelineMenuItems.cs

         {
             try
             {
-                var materials = Resources.FindObjectsOfTypeAll<Material>();
+                var matIds = AssetDatabase.FindAssets("t:Material");
-                for (int i = 0, length = materials.Length; i < length; i++)
+                for (int i = 0, length = matIds.Length; i < length; i++)
+                    var path = AssetDatabase.GUIDToAssetPath(matIds[i]);
+                    var mat = AssetDatabase.LoadAssetAtPath<Material>(path);
+
-                    if (materials[i].shader.name == "HDRenderPipeline/LitTessellation" ||
-                        materials[i].shader.name == "HDRenderPipeline/Lit")
+                    if (mat.shader.name == "HDRenderPipeline/LitTessellation" ||
+                        mat.shader.name == "HDRenderPipeline/Lit")
-                        float fvalue = materials[i].GetFloat("_MaterialID");
+                        float fvalue = mat.GetFloat("_MaterialID");
-                            int ivalue = materials[i].GetInt("_SubsurfaceProfile");
-                            materials[i].SetInt("_SubsurfaceProfile", ivalue + 1);
-                            EditorUtility.SetDirty(materials[i]);
+                            int ivalue = mat.GetInt("_SubsurfaceProfile");
+                            mat.SetInt("_SubsurfaceProfile", ivalue + 1);
+                            EditorUtility.SetDirty(mat);
-                    else if (   materials[i].shader.name == "HDRenderPipeline/LayeredLit" ||
-                                materials[i].shader.name == "HDRenderPipeline/LayeredLitTessellation")
+                    else if (   mat.shader.name == "HDRenderPipeline/LayeredLit" ||
+                                mat.shader.name == "HDRenderPipeline/LayeredLitTessellation")
-                        float fvalue = materials[i].GetFloat("_MaterialID");
+                        float fvalue = mat.GetFloat("_MaterialID");
-                            int numLayer = (int)materials[i].GetFloat("_LayerCount");
+                            int numLayer = (int)mat.GetFloat("_LayerCount");
-                                int ivalue = materials[i].GetInt("_SubsurfaceProfile" + x);
-                                materials[i].SetInt("_SubsurfaceProfile + x", ivalue + 1);
+                                int ivalue = mat.GetInt("_SubsurfaceProfile" + x);
+                                mat.SetInt("_SubsurfaceProfile" + x, ivalue + 1);
-                            EditorUtility.SetDirty(materials[i]);
+                            EditorUtility.SetDirty(mat);
                         }
                     }
                 }