rename drag type

packages/app/src/components/Sidebar/PageTree/Item.tsx

@@ -112,7 +112,7 @@ const Item: FC<ItemProps> = (props: ItemProps) => {
 
 
   const [{ isDragging }, drag] = useDrag(() => ({
-    type: 'DND_GROUP',
+    type: 'PAGE_TREE',
     item: { page },
     collect: monitor => ({
       isDragging: !!monitor.isDragging(),
@@ -218,7 +218,6 @@ const Item: FC<ItemProps> = (props: ItemProps) => {
         </div>
       </div>
 
-
       {isEnableActions && (
         <ClosableTextInput
           isShown={isNewPageInputShown}