add Puzzle A variants

Assets/Desert/Runtime/Puzzle A/SymbolButton.cs

@@ -1,9 +1,9 @@
 using EscapeRoomEngine.Engine.Runtime;
+using NaughtyAttributes;
 using UnityEngine;
 
 namespace EscapeRoomEngine.Desert.Runtime.Puzzle_A
 {
-    [RequireComponent(typeof(MeshRenderer))]
     public class SymbolButton : Button
     {
         private static readonly int FresnelColor = Shader.PropertyToID("_FresnelColor");
@@ -11,12 +11,18 @@ namespace EscapeRoomEngine.Desert.Runtime.Puzzle_A
 
         public int symbolNumber;
         public EngineTheme theme;
+        [BoxGroup("Internal")] [Required] public MeshRenderer holoRenderer;
 
         private Material _material;
 
-        private void Start()
+        private void Awake()
         {
-            _material = GetComponent<MeshRenderer>().material;
+            _material = holoRenderer.material;
+        }
+
+        protected override void Start()
+        {
+            base.Start();
 
             ButtonEvent += (_, type) =>
             {