Revert "Remove some BUI boilerplate" (#30214)

Revert "Remove some BUI boilerplate (#28399)"

This reverts commit cbf329a82d.

Content.Client/Lathe/UI/LatheBoundUserInterface.cs

@@ -1,7 +1,6 @@
 using Content.Shared.Lathe;
 using Content.Shared.Research.Components;
 using JetBrains.Annotations;
-using Robust.Client.UserInterface;
 
 namespace Content.Client.Lathe.UI
 {
@@ -18,9 +17,9 @@ namespace Content.Client.Lathe.UI
         {
             base.Open();
 
-            _menu = this.CreateWindow<LatheMenu>();
-            _menu.SetEntity(Owner);
-            _menu.OpenCenteredRight();
+            _menu = new LatheMenu(this);
+            _menu.OnClose += Close;
+
 
             _menu.OnServerListButtonPressed += _ =>
             {
@@ -31,6 +30,8 @@ namespace Content.Client.Lathe.UI
             {
                 SendMessage(new LatheQueueRecipeMessage(recipe, amount));
             };
+
+            _menu.OpenCenteredRight();
         }
 
         protected override void UpdateState(BoundUserInterfaceState state)
@@ -49,5 +50,13 @@ namespace Content.Client.Lathe.UI
                     break;
             }
         }
+
+        protected override void Dispose(bool disposing)
+        {
+            base.Dispose(disposing);
+            if (!disposing)
+                return;
+            _menu?.Dispose();
+        }
     }
 }