fixed an error when after the first connection with admin config the container model was not updated

client/vpnconnection.h

@@ -79,6 +79,8 @@ signals:
 
     void serviceIsNotReady();
 
+    void newVpnConfigurationCreated();
+
 protected slots:
     void onBytesChanged(quint64 receivedBytes, quint64 sentBytes);
     void onConnectionStateChanged(Vpn::ConnectionState state);