Fix: Ensure MFC and Web remote desktop sessions are fully independent

server/2015Remote/2015RemoteDlg.h

@@ -275,6 +275,7 @@ public:
     CDialogBase* GetRemoteWindow(CDialogBase* dlg);
     void RemoveRemoteWindow(HWND wnd);
     void CloseRemoteDesktopByClientID(uint64_t clientID);
+    void CloseWebRemoteDesktopByClientID(uint64_t clientID);  // Only close Web session dialog
     CDialogBase* m_pActiveSession = nullptr; // 当前活动会话窗口指针 / NULL 表示无
     void UpdateActiveRemoteSession(CDialogBase* sess);
     CDialogBase* GetActiveRemoteSession();