Revert "Remove some BUI boilerplate" (#30214)

Revert "Remove some BUI boilerplate (#28399)"

This reverts commit cbf329a82d.

Content.Client/Pinpointer/UI/UntrackedMapBoundUserInterface.cs

@@ -1,4 +1,4 @@
-using Robust.Client.UserInterface;
+using Robust.Client.GameObjects;
 
 namespace Content.Client.Pinpointer.UI;
 
@@ -14,15 +14,22 @@ public sealed class UntrackedStationMapBoundUserInterface : BoundUserInterface
     protected override void Open()
     {
         base.Open();
+        _window?.Close();
         EntityUid? gridUid = null;
 
-        // TODO: What this just looks like it's been copy-pasted wholesale from StationMapBoundUserInterface?
         if (EntMan.TryGetComponent<TransformComponent>(Owner, out var xform))
         {
             gridUid = xform.GridUid;
         }
 
-        _window = this.CreateWindow<StationMapWindow>();
-        _window.Set(gridUid, Owner);
+        _window = new StationMapWindow(gridUid, null);
+        _window.OpenCentered();
+        _window.OnClose += Close;
+    }
+
+    protected override void Dispose(bool disposing)
+    {
+        base.Dispose(disposing);
+        _window?.Dispose();
     }
 }