feat: improved listenWhen logic

lib/game/components/flutter_forest.dart

@@ -59,9 +59,13 @@ class _FlutterForestController extends ComponentController<FlutterForest>
 
   @override
   bool listenWhen(GameState? previousState, GameState newState) {
-    return (previousState?.bonusHistory.length ?? 0) <
+    final gainedBonus = (previousState?.bonusHistory.length ?? 0) <
             newState.bonusHistory.length &&
         newState.bonusHistory.last == GameBonus.dashNest;
+    final gainedBonusBall =
+        (previousState?.bonusBalls ?? 0) < newState.bonusBalls;
+
+    return gainedBonus && gainedBonusBall;
   }
 
   @override