Remove some BUI boilerplate (#28399)

* Remove some BUI boilerplate

- The disposals overrides got removed due to the helper method handling it.
- Replace window creation with CreateWindow helper.
- Fixed some stinky code which would cause exceptions.

* More

* moar

* weh

* done

* More BUIs

* More updates

* weh

* moar

* look who it is

* weh

* merge

* weh

* fixes

Content.Client/NetworkConfigurator/NetworkConfiguratorListMenu.xaml.cs

@@ -9,17 +9,20 @@ namespace Content.Client.NetworkConfigurator;
 [GenerateTypedNameReferences]
 public sealed partial class NetworkConfiguratorListMenu : FancyWindow
 {
-    private readonly NetworkConfiguratorBoundUserInterface _ui;
-    public NetworkConfiguratorListMenu(NetworkConfiguratorBoundUserInterface ui)
+    public event Action<string>? OnRemoveAddress;
+
+    public NetworkConfiguratorListMenu()
     {
         RobustXamlLoader.Load(this);
-
-        _ui = ui;
+        DeviceList.OnRemoveAddress += args =>
+        {
+            OnRemoveAddress?.Invoke(args);
+        };
     }
 
     public void UpdateState(NetworkConfiguratorUserInterfaceState state)
     {
         DeviceCountLabel.Text = Loc.GetString("network-configurator-ui-count-label", ("count", state.DeviceList.Count));
-        DeviceList.UpdateState(_ui, state.DeviceList);
+        DeviceList.UpdateState(state.DeviceList, true);
     }
 }