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

Message/OpenDialogMessage.cs

@@ -0,0 +1,21 @@
+using CommunityToolkit.Mvvm.Messaging.Messages;
+
+namespace PMSWPF.Message;
+
+public class OpenDialogMessage:RequestMessage<DialogMessage>
+{
+    // public bool IsCancel { get; set; }
+    // public bool IsConfirm { get; set; }
+    // public Object? Request { get; set; }
+    // public Object? Response { get; set; }
+    public DialogMessage Message { get; set; }
+
+    public OpenDialogMessage()
+    {
+    }
+
+    public OpenDialogMessage(DialogMessage message)
+    {
+        Message = message;
+    }
+}