Merge pull request #28937 from frenzibyte/fix-selection-box-visibility

Fix selection box being initially visible on top-left corner in skin editor

osu.Game/Screens/Edit/Compose/Components/SelectionHandler.cs

@@ -85,10 +85,7 @@ private void load()
                 SelectionBox = CreateSelectionBox(),
             });
 
-            SelectedItems.CollectionChanged += (_, _) =>
-            {
-                Scheduler.AddOnce(updateVisibility);
-            };
+            SelectedItems.BindCollectionChanged((_, _) => Scheduler.AddOnce(updateVisibility), true);
         }
 
         public SelectionBox CreateSelectionBox()