refactor(ui): 将页面行为接口中的原始对象属性重命名为视图属性

- 将 IUiPageBehavior 接口中的 Original 属性重命名为 View
- 更新 UiRouterBase 中的日志输出，使用 View 属性替代 Original 属性
- 在 CanvasItemUiPageBehaviorBase 中将属性实现从 Original 改为 View
- 相应更新接口文档注释，明确表示返回页面视图实例

GFramework.Game.Abstractions/ui/IUiPageBehavior.cs

@@ -40,10 +40,10 @@ public interface IUiPageBehavior
 
 
     /// <summary>
-    ///     获取原始对象。
+    ///     获取页面视图对象。
     /// </summary>
-    /// <returns>原始对象。</returns>
+    /// <returns>页面视图实例。</returns>
-    object Original { get; }
+    object View { get; }
 
 
     /// <summary>

GFramework.Game/ui/UiRouterBase.cs

@@ -576,22 +576,22 @@ public abstract class UiRouterBase : AbstractSystem, IUiRouter
         if (_stack.Count > 0)
         {
             var current = _stack.Peek();
-            Log.Debug("Pause current page: {0}", current.Original.GetType().Name);
+            Log.Debug("Pause current page: {0}", current.View.GetType().Name);
             current.OnPause();
 
             if (policy == UiTransitionPolicy.Exclusive)
             {
-                Log.Debug("Suspend current page (Exclusive): {0}", current.Original.GetType().Name);
+                Log.Debug("Suspend current page (Exclusive): {0}", current.View.GetType().Name);
                 current.OnHide();
             }
         }
 
-        Log.Debug("Add page to UiRoot: {0}", page.Original.GetType().Name);
+        Log.Debug("Add page to UiRoot: {0}", page.View.GetType().Name);
         _uiRoot.AddUiPage(page);
 
         _stack.Push(page);
 
-        Log.Debug("Enter & Show page: {0}, stackAfter={1}", page.Original.GetType().Name, _stack.Count);
+        Log.Debug("Enter & Show page: {0}, stackAfter={1}", page.View.GetType().Name, _stack.Count);
         page.OnEnter(param);
         page.OnShow();
     }

GFramework.Godot/ui/CanvasItemUiPageBehaviorBase.cs

@@ -98,7 +98,7 @@ public abstract class CanvasItemUiPageBehaviorBase<T> : IUiPageBehavior
     /// <summary>
     ///     获取视图节点实例。
     /// </summary>
-    public object Original => Owner;
+    public object View => Owner;
 
     /// <summary>
     ///     获取 UI 的唯一标识键。