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/Kitchen/UI/MicrowaveMenu.xaml.cs

@@ -9,22 +9,20 @@ namespace Content.Client.Kitchen.UI
     [GenerateTypedNameReferences]
     public sealed partial class MicrowaveMenu : FancyWindow
     {
-        public sealed class MicrowaveCookTimeButton : Button
-        {
-            public uint CookTime;
-        }
+        [Dependency] private readonly IGameTiming _timing = default!;
 
         public event Action<BaseButton.ButtonEventArgs, int>? OnCookTimeSelected;
 
         public ButtonGroup CookTimeButtonGroup { get; }
-        private readonly MicrowaveBoundUserInterface _owner;
 
-        public MicrowaveMenu(MicrowaveBoundUserInterface owner)
+        public bool IsBusy;
+        public TimeSpan CurrentCooktimeEnd;
+
+        public MicrowaveMenu()
         {
             RobustXamlLoader.Load(this);
             CookTimeButtonGroup = new ButtonGroup();
             InstantCookButton.Group = CookTimeButtonGroup;
-            _owner = owner;
             InstantCookButton.OnPressed += args =>
             {
                 OnCookTimeSelected?.Invoke(args, 0);
@@ -65,14 +63,20 @@ namespace Content.Client.Kitchen.UI
         protected override void FrameUpdate(FrameEventArgs args)
         {
             base.FrameUpdate(args);
-            if(!_owner.currentState.IsMicrowaveBusy)
+
+            if (!IsBusy)
                 return;
 
-            if(_owner.currentState.CurrentCookTimeEnd > _owner.GetCurrentTime())
+            if (CurrentCooktimeEnd > _timing.CurTime)
             {
                 CookTimeInfoLabel.Text = Loc.GetString("microwave-bound-user-interface-cook-time-label",
-                ("time",_owner.currentState.CurrentCookTimeEnd.Subtract(_owner.GetCurrentTime()).Seconds)); 
+                ("time", CurrentCooktimeEnd.Subtract(_timing.CurTime).Seconds));
             }
         }
+
+        public sealed class MicrowaveCookTimeButton : Button
+        {
+            public uint CookTime;
+        }
     }
 }