private void LoginButton_Click(object sender, RoutedEventArgs e)
        {
            if (IfSomeValuesAreDefault())
            {
                MessageBox.Show("Заполните, пожалуйста, все поля.", "Ошибка!");
            }

            else
            {
                string login = LoginTextBox.Text;

                string password = User.GetHash(PasswordBox.Password);

                User user = _storage.Users.Items.FirstOrDefault(u => (
                                                                    u.Login.ToLower() == login.ToLower() & u.Password == password));

                if (user != null)
                {
                    ProfileWindow profileWindow = new ProfileWindow(_storage, user);

                    profileWindow.Show();

                    Close();
                }

                else
                {
                    MessageBox.Show("Неправильный логин или пароль!", "Ошибка!");

                    RestartTheWindow();
                }
            }
        }
        private void SavingTheGameAndReturningToProfile()
        {
            SaveGame();

            ProfileWindow profileWindow = new ProfileWindow(_storage, _user);

            profileWindow.Show();
        }
        private void GoingBackToProfileWindow()
        {
            ProfileWindow profileWindow = new ProfileWindow(_storage, _user);

            _storage.CloseGame();

            profileWindow.Show();
        }