代码清理

Ink Canvas/MainWindow_cs/MW_AutoFold.cs

@@ -1,4 +1,6 @@
-using System;
+using Ink_Canvas.Helpers;
+using iNKORE.UI.WPF.Modern;
+using System;
 using System.Threading;
 using System.Threading.Tasks;
 using System.Windows;
@@ -6,8 +8,6 @@ using System.Windows.Controls;
 using System.Windows.Input;
 using System.Windows.Media;
 using System.Windows.Media.Animation;
-using Ink_Canvas.Helpers;
-using iNKORE.UI.WPF.Modern;
 
 namespace Ink_Canvas
 {