fix(UI): 修复UI资源释放时未处理资源句柄的问题

添加assetHandle参数到ReleaseUIForm方法，确保在释放UI表单时同时卸载关联资源。修改UI打开流程以正确传递和设置资源句柄，避免内存泄漏。
GameFrameX/GameFrameX#24

Author: AlianBlank

Runtime/FairyGUIFormHelper.cs

@@ -146,14 +146,17 @@ public override IUIForm CreateUIForm(object uiFormInstance, Type uiFormType, obj
         /// </summary>
         /// <param name="uiFormAsset">要释放的界面资源。</param>
         /// <param name="uiFormInstance">要释放的界面实例。</param>
-        public override void ReleaseUIForm(object uiFormAsset, object uiFormInstance)
+        /// <param name="assetHandle">资源句柄。</param>
+        public override void ReleaseUIForm(object uiFormAsset, object uiFormInstance, object assetHandle)
         {
             if (uiFormInstance is GComponent component)
             {
                 component.RemoveFromParent();
                 component.Remove();
                 component.Dispose();
             }
+
+            m_AssetComponent.UnloadAssetHandle(assetHandle);
         }
 
         private void Awake()

Runtime/UIManager.Open.cs

@@ -108,6 +108,7 @@ protected override async Task<IUIForm> InnerOpenUIFormAsync(string uiFormAssetPa
             if (assetHandle.IsSucceed())
             {
                 // 加载成功
+                openUIFormInfo.SetAssetHandle(assetHandle);
                 return LoadAssetSuccessCallback(uiFormAssetName, openUIFormInfoData, assetHandle.Progress, openUIFormInfo);
             }
 
@@ -201,13 +202,13 @@ private IUIForm LoadAssetSuccessCallback(string uiFormAssetName, object uiFormAs
             {
                 m_UIFormsToReleaseOnLoad.Remove(openUIFormInfo.SerialId);
                 var form = GetUIForm(openUIFormInfo.SerialId);
+                m_UIFormHelper.ReleaseUIForm(uiFormAsset, null, openUIFormInfo.AssetHandle);
                 ReferencePool.Release(openUIFormInfo);
-                m_UIFormHelper.ReleaseUIForm(uiFormAsset, null);
                 return form;
             }
 
             m_UIFormsBeingLoaded.Remove(openUIFormInfo.SerialId);
-            UIFormInstanceObject uiFormInstanceObject = UIFormInstanceObject.Create(uiFormAssetName, uiFormAsset, m_UIFormHelper.InstantiateUIForm(uiFormAsset), m_UIFormHelper);
+            UIFormInstanceObject uiFormInstanceObject = UIFormInstanceObject.Create(uiFormAssetName, uiFormAsset, m_UIFormHelper.InstantiateUIForm(uiFormAsset), m_UIFormHelper, openUIFormInfo.AssetHandle);
             m_InstancePool.Register(uiFormInstanceObject, true);
 
             var uiForm = InternalOpenUIForm(openUIFormInfo.SerialId, uiFormAssetName, openUIFormInfo.FormType, uiFormInstanceObject.Target, openUIFormInfo.PauseCoveredUIForm, true, duration, openUIFormInfo.UserData, openUIFormInfo.IsFullScreen);