TO SQUASH: menu callbacks

Assets/Scripts/MainMenu/MenuKey.cs

@@ -6,6 +6,8 @@ public class MenuKey : MonoBehaviour
 
     public AudioClip keyTurnClose;
 
+    public MenuCallbackHolder callbackHolder;
+
     private AudioSource audioSource;
 
     private Animator animator;
@@ -22,8 +24,6 @@ public class MenuKey : MonoBehaviour
 
     private float translationTargetY = 0f;
 
-    private MenuCallbackHolder callbackHolder;
-
     private static float animationDuration = 0.45f;
 
     private static float[] rowPositions = { 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f};
@@ -33,7 +33,6 @@ public class MenuKey : MonoBehaviour
     {
         audioSource = GetComponent<AudioSource>();
         animator = GetComponent<Animator>();
-        callbackHolder = new MenuCallbackHolder();
 
         // Precompute the row positions based on the number of rows and the desired spacing.
         for (int i = 0; i < rowPositions.Length; i++)