Fix beatmap load not continuing when when settings slider is focused

Regressed with recent sliderbar focus changes.

Closes ppy#30716.

osu.Game/Screens/Play/PlayerLoader.cs

@@ -122,7 +122,9 @@ protected bool BackgroundBrightnessReduction
             // not ready if the user is dragging a slider or otherwise.
             && (inputManager.DraggedDrawable == null || inputManager.DraggedDrawable is OsuLogo)
             // not ready if a focused overlay is visible, like settings.
-            && inputManager.FocusedDrawable == null;
+            && inputManager.FocusedDrawable is not OsuFocusedOverlayContainer
+            // or if a child of a focused overlay is focused, like settings' search textbox.
+            && inputManager.FocusedDrawable?.FindClosestParent<OsuFocusedOverlayContainer>() == null;
 
         private readonly Func<Player> createPlayer;