Fix Original/Default input detection in DeliveryAdminWindow

Elwig/Helpers/ControlUtils.cs

@@ -25,6 +25,10 @@ namespace Elwig.Helpers {
             }
         }
 
+        public static void SetInputNotDefault(Control input) {
+            SetControlBrush(input, Brushes.Gold);
+        }
+
         public static void SetInputChanged(Control input) {
             SetControlBrush(input, Brushes.Orange);
         }