Fix storage UI interactions (#28291)

* Fix storage UI interactions

* Add VV support

Content.Client/UserInterface/Systems/Storage/Controls/ItemGridPiece.cs

@@ -9,7 +9,7 @@ using Robust.Client.UserInterface.CustomControls;
 
 namespace Content.Client.UserInterface.Systems.Storage.Controls;
 
-public sealed class ItemGridPiece : Control
+public sealed class ItemGridPiece : Control, IEntityControl
 {
     private readonly IEntityManager _entityManager;
     private readonly StorageUIController _storageController;
@@ -287,6 +287,8 @@ public sealed class ItemGridPiece : Control
         var actualSize = new Vector2(boxSize.X + 1, boxSize.Y + 1);
         return actualSize * new Vector2i(8, 8);
     }
+
+    public EntityUid? UiEntity => Entity;
 }
 
 public enum ItemGridPieceMarks

Content.Shared/Interaction/SharedInteractionSystem.cs

@@ -1167,7 +1167,7 @@ namespace Content.Shared.Interaction
                 return false;
 
             // we don't check if the user can access the storage entity itself. This should be handed by the UI system.
-            return _ui.IsUiOpen(target, StorageComponent.StorageUiKey.Key, user);
+            return _ui.IsUiOpen(container.Owner, StorageComponent.StorageUiKey.Key, user);
         }
 
         /// <summary>