submodule bug fix & Clip extend

移除submodule重复引用的问题，
Clip现在可以保存任意GameElement，且任意指定物体作为父物体加载

Assets/Scripts/DynamicUI/MovableWindow.cs

@@ -2,6 +2,7 @@ using System.Collections;
 using System.Collections.Generic;
 using TMPro;
 using UnityEngine;
+using UnityEngine.Events;
 using UnityEngine.Serialization;
 using UnityEngine.UI;
 
@@ -12,13 +13,16 @@ namespace Ichni.Editor
         public RectTransform windowRect;
         public Button closeButton;
         public TMP_Text title;
+        public UnityAction onCloseWindow;
 
-        protected void InitializeWindow(string titleText)
+        protected void InitializeWindow(string titleText, UnityAction closeAction = null)
         {
             title.text = titleText;
+            onCloseWindow = closeAction;
             closeButton.onClick.AddListener(() =>
             {
-                gameObject.SetActive(false);
+                onCloseWindow?.Invoke();
+                Destroy(gameObject);
             });
         }
     }