Notify user that notifications are disabled

[github-actions]

DEBUG _notification.ScheduleNotification(item.Id, title, text, DateOnly.FromDateTime(DateTime.Now), TimeOnly.FromDateTime(DateTime.Now.AddSeconds(15)));

private bool _isPaid;

https://github.com/morning4coffe-dev/project-sbs/blob/9a2eec10171dac3e8db9caf9a97eac6b19563151/ProjectSBS/ProjectSBS/Presentation/Components/ItemViewModel.cs#L90

        return _billingService.GetFuturePayments(billing.InitialDate, billing.PeriodType, billing.RecurEvery, numberOfPayments);
    }

    public void Updated()
    {
        ScheduleBilling();
    }

    public async void ScheduleBilling()
    {
        if (Item is not { } item || !Item.IsNotify)
        {
            return;
        }

        _notification.RemoveScheduledNotifications();

        if (!_notification.IsEnabledOnDevice())
        {
            //TODO Notify user that notifications are disabled
            return;
        }

#if !HAS_UNO
        var paymentDates = GetFuturePayments();

        var tasks = paymentDates.Select(date =>
        Task.Run(() =>
        {
            var title = item.Name ?? "";
            //(≈{2})
            var text = string.Format("Your {0}{1} payment for {2} is due tomorrow!", item.Billing.BasePrice, item.Billing.CurrencyId, item.Name);

            //- time period before e.g. one day, time that user selected
            //DEBUG _notification.ScheduleNotification(item.Id, title, text, DateOnly.FromDateTime(DateTime.Now), TimeOnly.FromDateTime(DateTime.Now.AddSeconds(15)));
            _notification.ScheduleNotification(item.Id, title, text, date.AddDays(-1), new TimeOnly(8, 00));
        })).ToArray();

        await Task.WhenAll(tasks);
#endif
    }

    #region FEAT: feature/IndividualPayments
    //[ObservableProperty]
    //private bool _isPaid;