给DialogService从原来的接口注入，更改为RequestMessage消息通知

Models/MenuBean.cs

@@ -0,0 +1,11 @@
+namespace PMSWPF.Models;
+
+public class MenuBean
+{
+    
+    public  int Id { get; set; }
+    public string Icon { get; set; }
+    public string Name { get; set; }
+    public int ParentId { get; set; }
+    public List<MenuBean> Items { get; set; }
+}