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/VoiceMask/VoiceMaskBoundUserInterface.cs

@@ -1,12 +1,13 @@
 using Content.Shared.VoiceMask;
 using Robust.Client.GameObjects;
+using Robust.Client.UserInterface;
 using Robust.Shared.Prototypes;
 
 namespace Content.Client.VoiceMask;
 
 public sealed class VoiceMaskBoundUserInterface : BoundUserInterface
 {
-    [Dependency] private readonly IPrototypeManager _proto = default!;
+    [Dependency] private readonly IPrototypeManager _protomanager = default!;
 
     [ViewVariables]
     private VoiceMaskNameChangeWindow? _window;
@@ -19,12 +20,11 @@ public sealed class VoiceMaskBoundUserInterface : BoundUserInterface
     {
         base.Open();
 
-        _window = new(_proto);
+        _window = this.CreateWindow<VoiceMaskNameChangeWindow>();
+        _window.ReloadVerbs(_protomanager);
 
-        _window.OpenCentered();
         _window.OnNameChange += OnNameSelected;
         _window.OnVerbChange += verb => SendMessage(new VoiceMaskChangeVerbMessage(verb));
-        _window.OnClose += Close;
     }
 
     private void OnNameSelected(string name)