private void ButtonAddSeason_OnClick(object sender, RoutedEventArgs e)
        {
            var newSeasonWindow = new NewSeasonWindow();
            var dialogResult    = newSeasonWindow.ShowDialog();

            if (dialogResult != true)
            {
                return;
            }

            var newSeason = new Season
            {
                Name        = newSeasonWindow.NewSeason.Name,
                Description = newSeasonWindow.NewSeason.Description,
                StartDate   = newSeasonWindow.NewSeason.StartDate,
                EndDate     = newSeasonWindow.NewSeason.EndDate
            };

            _dataView.AddSeason(newSeason);
            SelectedSeason = Seasons.FirstOrDefault(s => s.Name == newSeason.Name);
            OnPropertyChanged(nameof(SelectedSeason));
            SeasonComboBox.SelectedItem = SelectedSeason;
        }