DeliveryAdminWindow: Fix missing LostFocus for gradation inputs

Elwig/Windows/DeliveryAdminWindow.xaml

@@ -529,12 +529,12 @@
                     </Grid.ColumnDefinitions>
                     <Label Content="Gradation:" Margin="10,10,10,10"/>
                     <ctrl:UnitTextBox x:Name="GradationOeInput" Unit="°Oe" Text="{Binding GradationOeString, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
-                                      TextChanged="GradationOeInput_TextChanged" KeyUp="Input_KeyUp"
+                                      TextChanged="GradationOeInput_TextChanged" LostFocus="GradationOeInput_LostFocus" KeyUp="Input_KeyUp"
                                       Grid.Column="1" Width="54" Margin="0,10,10,10" HorizontalAlignment="Left" VerticalAlignment="Top"/>
 
                     <Label Content="=" Margin="60,10,10,10" Grid.Column="1"/>
                     <ctrl:UnitTextBox x:Name="GradationKmwInput" Unit="°KMW" Text="{Binding GradationKmwString, Mode=TwoWay, UpdateSourceTrigger=PropertyChanged}"
-                                      TextChanged="GradationKmwInput_TextChanged" KeyUp="Input_KeyUp"
+                                      TextChanged="GradationKmwInput_TextChanged" LostFocus="GradationKmwInput_LostFocus" KeyUp="Input_KeyUp"
                                       Grid.Column="1" Width="68" Margin="78,10,10,10" HorizontalAlignment="Left" VerticalAlignment="Top"/>
 
                     <Label Content="Qualitätsstufe:" Margin="10,40,10,10"/>

Elwig/Windows/DeliveryAdminWindow.xaml.cs

@@ -527,7 +527,7 @@ namespace Elwig.Windows {
 
             Menu_BulkAction_AddModifier.Items.Clear();
             Menu_BulkAction_RemoveModifier.Items.Clear();
-            foreach (var mod in Modifiers.GetValueOrDefault(ViewModel.SelectedDelivery?.Year ?? 0, []).Where(m => m.IsActive || !IsCreating)) {
+            foreach (var mod in Modifiers.GetValueOrDefault(ViewModel.SelectedDelivery?.Year ?? year, [])) {
                 var i1 = new MenuItem {
                     Header = mod.Name,
                 };