Reapply "Remove some BUI boilerplate" (#30214) (#30219)

* Reapply "Remove some BUI boilerplate" (#30214)

This reverts commit cb0ba66be3.

* Fix gas tank

* Fix PA

* Fix microwave

* Comms console underwrap

* Fix rcd

* log wehs

Content.Client/MachineLinking/UI/SignalTimerBoundUserInterface.cs

@@ -1,5 +1,6 @@
 using Content.Shared.MachineLinking;
 using Robust.Client.GameObjects;
+using Robust.Client.UserInterface;
 using Robust.Shared.Timing;
 
 namespace Content.Client.MachineLinking.UI;
@@ -19,19 +20,14 @@ public sealed class SignalTimerBoundUserInterface : BoundUserInterface
     {
         base.Open();
 
-        _window = new SignalTimerWindow(this);
-
-        if (State != null)
-            UpdateState(State);
-
-        _window.OpenCentered();
-        _window.OnClose += Close;
+        _window = this.CreateWindow<SignalTimerWindow>();
+        _window.OnStartTimer += StartTimer;
         _window.OnCurrentTextChanged += OnTextChanged;
         _window.OnCurrentDelayMinutesChanged += OnDelayChanged;
         _window.OnCurrentDelaySecondsChanged += OnDelayChanged;
     }
 
-    public void OnStartTimer()
+    public void StartTimer()
     {
         SendMessage(new SignalTimerStartMessage());
     }
@@ -48,11 +44,6 @@ public sealed class SignalTimerBoundUserInterface : BoundUserInterface
         SendMessage(new SignalTimerDelayChangedMessage(_window.GetDelay()));
     }
 
-    public TimeSpan GetCurrentTime()
-    {
-        return _gameTiming.CurTime;
-    }
-
     /// <summary>
     /// Update the UI state based on server-sent info
     /// </summary>
@@ -72,11 +63,4 @@ public sealed class SignalTimerBoundUserInterface : BoundUserInterface
         _window.SetTimerStarted(cast.TimerStarted);
         _window.SetHasAccess(cast.HasAccess);
     }
-
-    protected override void Dispose(bool disposing)
-    {
-        base.Dispose(disposing);
-        if (!disposing) return;
-        _window?.Dispose();
-    }
 }