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/NukeOps/WarDeclaratorWindow.xaml.cs

@@ -11,7 +11,8 @@ namespace Content.Client.NukeOps;
 [GenerateTypedNameReferences]
 public sealed partial class WarDeclaratorWindow : FancyWindow
 {
-    private readonly IGameTiming _gameTiming;
+    [Dependency] private readonly IGameTiming _gameTiming = default!;
+    [Dependency] private readonly ILocalizationManager _localizationManager = default!;
 
     public event Action<string>? OnActivated;
 
@@ -19,15 +20,13 @@ public sealed partial class WarDeclaratorWindow : FancyWindow
     private TimeSpan _shuttleDisabledTime;
     private WarConditionStatus _status;
 
-    public WarDeclaratorWindow(IGameTiming gameTiming, ILocalizationManager localizationManager)
+    public WarDeclaratorWindow()
     {
         RobustXamlLoader.Load(this);
 
-        _gameTiming = gameTiming;
-
         WarButton.OnPressed += (_) => OnActivated?.Invoke(Rope.Collapse(MessageEdit.TextRope));
 
-        MessageEdit.Placeholder = new Rope.Leaf(localizationManager.GetString("war-declarator-message-placeholder"));
+        MessageEdit.Placeholder = new Rope.Leaf(_localizationManager.GetString("war-declarator-message-placeholder"));
     }
 
     protected override void FrameUpdate(FrameEventArgs args)