Utils: Replace Utils.Today with DateTime.Today and adapt DeliveryService filters

Elwig/Windows/DeliveryAdminWindow.xaml.cs

@@ -685,7 +685,7 @@ namespace Elwig.Windows {
         private async void TodayOnlyInput_Changed(object sender, RoutedEventArgs evt) {
             if (!HasContextLoaded) return;
             if (TodayOnlyInput.IsChecked == true && AllSeasonsInput.IsChecked == false) {
-                ViewModel.FilterSeason = Utils.Today.Year;
+                ViewModel.FilterSeason = DateTime.Today.Year;
                 ViewModel.FilterTodayOnly = true;
             }
             await RefreshList();

Elwig/Windows/DeliveryAncmtAdminWindow.xaml.cs

@@ -92,7 +92,7 @@ namespace Elwig.Windows {
             list.ForEach(v => v.Schedule.AnnouncedWeightOverride = v.AnnouncedWeight);
             var deliverySchedules = list.Select(v => v.Schedule).ToList();
             ControlUtils.RenewItemsSource(DeliveryScheduleList, deliverySchedules
-                .Where(s => !ViewModel.FilterOnlyUpcoming || s.DateString.CompareTo(Utils.Today.ToString("yyyy-MM-dd")) >= 0)
+                .Where(s => !ViewModel.FilterOnlyUpcoming || s.DateString.CompareTo(DateTime.Today.ToString("yyyy-MM-dd")) >= 0)
                 .ToList(), DeliveryScheduleList_SelectionChanged, ViewModel.FilterFromAllSchedules ? ControlUtils.RenewSourceDefault.None : ControlUtils.RenewSourceDefault.First);
             ControlUtils.RenewItemsSource(DeliveryScheduleInput, deliverySchedules, DeliveryScheduleInput_SelectionChanged);
         }

Elwig/Windows/MailWindow.xaml.cs

@@ -108,7 +108,7 @@ namespace Elwig.Windows {
         public MailWindow(int? year = null) {
             InitializeComponent();
             using (var ctx = new AppDbContext()) {
-                Year = year ?? ctx.Seasons.OrderByDescending(s => s.Year).FirstOrDefault()?.Year ?? Utils.Today.Year;
+                Year = year ?? ctx.Seasons.OrderByDescending(s => s.Year).FirstOrDefault()?.Year ?? DateTime.Today.Year;
                 Title = $"Rundschreiben - Lese {Year} - Elwig";
             }
 
@@ -150,7 +150,7 @@ namespace Elwig.Windows {
             PostalSender1.Text = App.Client.Sender1;
             PostalSender2.Text = App.Client.Sender2;
             PostalLocation.Text = App.BranchLocation;
-            PostalDate.Text = $"{Utils.Today:dd.MM.yyyy}";
+            PostalDate.Text = $"{DateTime.Today:dd.MM.yyyy}";
             EmailSubjectInput.Text = App.Client.TextEmailSubject ?? "Rundschreiben";
             EmailBodyInput.Text = App.Client.TextEmailBody ?? "Sehr geehrtes Mitglied,\n\nim Anhang finden Sie das aktuelle Rundschreiben.\n\nIhre Winzergenossenschaft\n";
         }
@@ -438,7 +438,7 @@ namespace Elwig.Windows {
 
         private void Date_LostFocus(object sender, RoutedEventArgs evt) {
             var res = Validator.CheckDate((TextBox)sender, true);
-            if (!res.IsValid) ((TextBox)sender).Text = $"{Utils.Today:dd.MM.yyyy}";
+            if (!res.IsValid) ((TextBox)sender).Text = $"{DateTime.Today:dd.MM.yyyy}";
         }
 
         private async Task UpdateRecipients(AppDbContext ctx) {

Elwig/Windows/MainWindow.xaml.cs

@@ -162,7 +162,7 @@ namespace Elwig.Windows {
 
         private async void Menu_Database_Backup_Click(object sender, RoutedEventArgs evt) {
             try {
-                var filename = InteractionService.SaveFile("Datenbank-Sicherung", $"database_{Utils.Today:yyyy-MM-dd}", "sql.zip");
+                var filename = InteractionService.SaveFile("Datenbank-Sicherung", $"database_{DateTime.Today:yyyy-MM-dd}", "sql.zip");
                 if (filename != null) {
                     if (!filename.EndsWith(".sql.zip")) filename += ".sql.zip";
                     Mouse.OverrideCursor = Cursors.Wait;

Elwig/Windows/MemberBusinessSharesAdminWindow.xaml.cs

@@ -198,7 +198,7 @@ namespace Elwig.Windows {
 
             int mgnr;
             try {
-                mgnr = await ViewModel.UpdateMemberHistory(ViewModel.SelectedHistoryEntry?.HistNr, IsEditing || ViewModel.DateNotice >= DateOnly.FromDateTime(Utils.Today).AddDays(-14));
+                mgnr = await ViewModel.UpdateMemberHistory(ViewModel.SelectedHistoryEntry?.HistNr, IsEditing || ViewModel.DateNotice >= DateOnly.FromDateTime(DateTime.Today).AddDays(-14));
                 App.HintContextChange();
             } catch (Exception exc) {
                 InteractionService.ShowDbException("Geschäftsanteilbewegung aktualisieren", exc);