Helpers: Add Normalizer to normalize street names in addresses

Elwig/Windows/MemberAdminWindow.xaml.cs

@@ -1008,5 +1008,23 @@ namespace Elwig.Windows {
             ValidateRequiredInputs();
             UpdateButtons();
         }
+
+        new protected void AddressInput_TextChanged(object sender, TextChangedEventArgs? evt) {
+            if ((IsCreating || IsEditing) && sender is TextBox b) {
+                InputTextChanged(b, (i, r) => Validator.CheckAddress(i, r, b == BillingAddressInput ? ViewModel.BillingOrt?.Ort.Name : ViewModel.Ort?.Ort.Name));
+            } else {
+                TextBox_TextChanged(sender, evt);
+            }
+        }
+
+        private void OrtInput_SelectionChanged(object sender, SelectionChangedEventArgs? evt) {
+            if (!IsCreating && !IsEditing)
+                return;
+            if (sender == BillingOrtInput) {
+                InputTextChanged(BillingAddressInput, (i, r) => Validator.CheckAddress(i, r, ViewModel.BillingOrt?.Ort.Name));
+            } else {
+                InputTextChanged(AddressInput, (i, r) => Validator.CheckAddress(i, r, ViewModel.Ort?.Ort.Name));
+            }
+        }
     }
 }