Inspector Secondary Window & QuickCopy

inspector的二级界面，主要用于工具制作。
重新制作了Track的QuickCopy功能

Assets/Scripts/EditorGame/Animations/Transform/Displacement.cs

@@ -3,6 +3,7 @@ using System.Collections;
 using System.Collections.Generic;
 using System.Linq;
 using Dreamteck.Splines;
+using Ichni.Editor;
 using Ichni.RhythmGame.Beatmap;
 using Lean.Pool;
 using Unity.Mathematics;
@@ -70,6 +71,7 @@ namespace Ichni.RhythmGame
 
         public override void SetUpInspector()
         {
+            IHaveInspection inspector = EditorManager.instance.uiManager.inspector;
             base.SetUpInspector();
             var container = inspector.GenerateContainer("Displacement");
             var positionXButton = inspector.GenerateButton(this, container, "Position X",