[feat:] implemented renaming functionality

MainWindow.axaml

@@ -67,7 +67,20 @@
                                          SelectionChanged="LstCustomerAdressSets_OnSelectionChanged"
                                          Background="AliceBlue"
                                          Margin="0,5,0,5"
-                                         SelectionMode="Multiple,Toggle" />
+                                         SelectionMode="Multiple,Toggle">
+                                    <ListBox.ContextMenu>
+                                        <ContextMenu>
+                                            <MenuItem x:Name="MnIAdSetRename" Click="MnIAdSetRename_OnClick">
+                                                <MenuItem.Header>
+                                                    <StackPanel Orientation="Horizontal">
+                                                        <LucideIcon Kind="Pencil" Width="12" Height="12" Size="12" />
+                                                        <Label Content="Umbenennen" VerticalContentAlignment="Center" />
+                                                    </StackPanel>
+                                                </MenuItem.Header>
+                                            </MenuItem>
+                                        </ContextMenu>
+                                    </ListBox.ContextMenu>
+                                </ListBox>
 
                                 <Button Grid.Row="2" HorizontalAlignment="Stretch" x:Name="BtnCustomerAddressSetImport"
                                         Click="BtnCustomerAddressSetImport_OnClick">

MainWindow.axaml.cs

@@ -887,4 +887,31 @@ public partial class MainWindow : Window
                 MessageBox.Show(this, ex.StackTrace, "Fehler");
             }
     }
+
+    private async void MnIAdSetRename_OnClick(object? sender, RoutedEventArgs e)
+    {
+        if (LstCustomerAdressSets.SelectedItems.Count > 0)
+            try
+            {
+                var result = await NamingWindow.Show(this);
+                if (result != null)
+                {
+                    var id = KasAddressList.GetIDByAddressSetListItem(LstCustomerAdressSets.SelectedItems[0]
+                        .ToString());
+                    var cus_id = Customer.GetIDByCustomerListItem(LstCustomers.SelectedItems[0].ToString());
+                    foreach (var set in Settings._instance.addressSets.addresses)
+                        if (set.ID == id)
+                        {
+                            set.Name = result;
+                            Settings.Save();
+                            RefreshAddressSetListItems(cus_id);
+                            break;
+                        }
+                }
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show(this, ex.StackTrace, "Fehler");
+            }
+    }
 }