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/Arcade/UI/SpaceVillainArcadeBoundUserInterface.cs

@@ -1,4 +1,5 @@
 using Robust.Client.GameObjects;
+using Robust.Client.UserInterface;
 using Robust.Shared.GameObjects;
 using Robust.Shared.ViewVariables;
 using static Content.Shared.Arcade.SharedSpaceVillainArcadeComponent;
@@ -9,8 +10,6 @@ public sealed class SpaceVillainArcadeBoundUserInterface : BoundUserInterface
 {
     [ViewVariables] private SpaceVillainArcadeMenu? _menu;
 
-    //public SharedSpaceVillainArcadeComponent SpaceVillainArcade;
-
     public SpaceVillainArcadeBoundUserInterface(EntityUid owner, Enum uiKey) : base(owner, uiKey)
     {
         SendAction(PlayerAction.RequestData);
@@ -25,10 +24,7 @@ public sealed class SpaceVillainArcadeBoundUserInterface : BoundUserInterface
     {
         base.Open();
 
-        _menu = new SpaceVillainArcadeMenu(this);
-
-        _menu.OnClose += Close;
-        _menu.OpenCentered();
+        _menu = this.CreateWindow<SpaceVillainArcadeMenu>();
     }
 
     protected override void ReceiveMessage(BoundUserInterfaceMessage message)
@@ -36,12 +32,4 @@ public sealed class SpaceVillainArcadeBoundUserInterface : BoundUserInterface
         if (message is SpaceVillainArcadeDataUpdateMessage msg)
             _menu?.UpdateInfo(msg);
     }
-
-    protected override void Dispose(bool disposing)
-    {
-        base.Dispose(disposing);
-
-        if (disposing)
-            _menu?.Dispose();
-    }
 }