调整 UIRouter 的打开关闭 UI 的返回值，统一成 UniTask

Assets/GameMain/Scripts/Presentation/Common/Dialog/DialogController.cs

@@ -41,7 +41,7 @@ namespace SepCore.UI
             };
         }
 
-        public override async UniTask<int?> OpenUIAsync(object userData = null, float timeout = 30f)
+        public override async UniTask OpenUIAsync(object userData = null, float timeout = 30f)
         {
             if (userData is not DialogRawData rawData)
             {
@@ -54,14 +54,14 @@ namespace SepCore.UI
                     Log.Warning("DialogController.OpenUIAsync() rawData is required.");
                 }
 
-                return null;
+                return;
             }
 
             DialogContext context = BuildContext(rawData);
             if (context == null)
             {
                 Log.Warning("DialogController.OpenUIAsync() rawData is invalid.");
-                return null;
+                return;
             }
 
             _onClickConfirmGFAction = rawData.OnClickConfirm;
@@ -69,7 +69,7 @@ namespace SepCore.UI
             _onClickOtherGFAction = rawData.OnClickOther;
             _currentUserData = rawData.UserData;
 
-            return await OpenFormAsync(context, timeout);
+            await OpenFormAsync(context, timeout);
         }
 
         public override async UniTask CloseUIAsync(object userData = null, float timeout = 30f)