mac下无法创建多窗口页面

### Type of issue

Code doesn't work

### Description

var editPage = new EditPopupPage();
editPage.Initialize(_currentConfig.EditFields, editData, isEdit ? "编辑" : "新增");

Debug.Print($"1OpenWindow{Application.Current.Windows.Count}");
Window secondWindow = new Window(editPage);
Application.Current.OpenWindow(secondWindow);
//Application.Current?.ActivateWindow(secondWindow);

Debug.Print($"2OpenWindow{Application.Current.Windows.Count}");

运行程序日志如下

1OpenWindow1
2OpenWindow1
窗口数并没有增加，也没有报错

### Page URL

https://learn.microsoft.com/zh-cn/dotnet/maui/user-interface/controls/window?view=net-maui-10.0

### Content source URL

https://github.com/dotnet/docs-maui/blob/main/docs/user-interface/controls/window.md

### Document Version Independent Id

36572dea-ae73-4dbb-913f-6cf0152de382

### Platform Id

664ddda4-2743-5a9f-0fa4-3217bf64b7c9

### Article author

@davidortinau

### Metadata

* ID: 36572dea-ae73-4dbb-913f-6cf0152de382
* PlatformId: 664ddda4-2743-5a9f-0fa4-3217bf64b7c9
* Service: **dotnet-mobile**
* Sub-service: **dotnet-maui**

[Related Issues](https://github.com/dotnet/docs-maui/issues?q=is%3Aissue+is%3Aopen+36572dea-ae73-4dbb-913f-6cf0152de382)