버그 수정 중. 이동 후 남겨지는 경우가 있음

Assets/Resources/Prefabs/UI/List/TreeList.prefab

@@ -901,6 +901,7 @@ GameObject:
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   - component: {fileID: 1154093525567517578}
   - component: {fileID: 2733383086465723583}
+  - component: {fileID: 1132190849957045457}
   m_Layer: 5
   m_Name: Root
   m_TagString: Untagged
@@ -967,6 +968,21 @@ MonoBehaviour:
   m_EditorClassIdentifier: 
   m_HorizontalFit: 2
   m_VerticalFit: 2
+--- !u!114 &1132190849957045457
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 6690344807426313734}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: de4afb3a0d93f05448f2fc60683275c0, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  margin: {x: 0, y: 0}
+  target:
+  - {fileID: 2240268413977263779}
 --- !u!1 &6757006638454796643
 GameObject:
   m_ObjectHideFlags: 0