fix orphaned storage grid pieces getting stuck to the cursor (#27960)

* fix orphaned storage grid pieces getting stuck to the cursor

* instead of denying it, update it smartly

Content.Client/UserInterface/Systems/Storage/StorageUIController.cs

@@ -314,15 +314,16 @@ public sealed class StorageUIController : UIController, IOnSystemChanged<Storage
                     _entity.GetNetEntity(storageEnt)));
             }
 
+            _menuDragHelper.EndDrag();
             _container?.BuildItemPieces();
         }
         else //if we just clicked, then take it out of the bag.
         {
+            _menuDragHelper.EndDrag();
             _entity.RaisePredictiveEvent(new StorageInteractWithItemEvent(
                 _entity.GetNetEntity(control.Entity),
                 _entity.GetNetEntity(storageEnt)));
         }
-        _menuDragHelper.EndDrag();
         args.Handle();
     }