fix messageNotification (added code)

Signed-off-by: Marino Faggiana <marino@marinofaggiana.com>

iOSClient/Utility/NCContentPresenter.swift

@@ -123,7 +123,7 @@ class NCContentPresenter: NSObject {
                 }
                 if error.errorDescription.trimmingCharacters(in: .whitespacesAndNewlines) == "" { return }
                 let description = NSLocalizedString(error.errorDescription, comment: "")
-                self.flatTop(title: NSLocalizedString(title, comment: ""), description: description + responseMessage, delay: delay, imageName: nil, type: type, priority: priority, dropEnqueuedEntries: dropEnqueuedEntries)
+                self.flatTop(title: NSLocalizedString(title, comment: ""), description: description + responseMessage + " \(error.errorCode)", delay: delay, imageName: nil, type: type, priority: priority, dropEnqueuedEntries: dropEnqueuedEntries)
             }
         }
     }