DeliveryNote: Make stats changeable in BaseDataWindow

Elwig/Documents/DeliveryNote.cshtml.cs

@@ -10,10 +10,10 @@ namespace Elwig.Documents {
         public IEnumerable<(string, string, int, int, int)> MemberBuckets;
 
         // 0 - none
-        // 1 - only business shares
-        // 2 - only business shares and area commitments of varieties from delivery note
+        // 1 - GA only
+        // 2 - GA only and area commitments of varieties from delivery note
         // 3 - full
-        public int DisplayStats = 2;
+        public int DisplayStats = App.Client.ModeDeliveryNoteStats;
 
         public DeliveryNote(Delivery d, AppDbContext ctx) : base($"Traubenübernahmeschein Nr. {d.LsNr}", d.Member) {
             UseBillingAddress = true;