MainWindow: Add WeightBreakdownButton

Elwig/Helpers/AppDbContext.cs

@@ -64,6 +64,7 @@ namespace Elwig.Helpers {
         public DbSet<MemberDeliveryPerVariantRowSingle> MemberDeliveryPerVariantRows { get; private set; }
         public DbSet<CreditNoteDeliveryRowSingle> CreditNoteDeliveryRows { get; private set; }
         public DbSet<CreditNoteRowSingle> CreditNoteRows { get; private set; }
+        public DbSet<WeightBreakdownRow> WeightBreakDownRows { get; private set; }
 
         private readonly StreamWriter? LogFile = null;
         public static DateTime LastWriteTime => File.GetLastWriteTime(App.Config.DatabaseFile);