Fix double click on ToggleAR

vr-configurator/Assets/Scripts/UI/ARToggleButton.cs

@@ -1,14 +1,26 @@
 using UnityEngine;
+using UnityEngine.EventSystems;
 using UnityEngine.UI;
 
 namespace UI
 {
-    public class ARToggleButton: MonoBehaviour
+    public class ARToggleButton: MonoBehaviour, IPointerDownHandler
     {
         public OVRPassthroughLayer passthroughLayer;
         private bool pressed = false; //efix variable da button 2 mal pressed wird ??
         public GameObject raceTrack;
 
+        float lastClickTime = -1f;
+        const float debounceTime = 0.3f; // 300ms Sperre
+
+        public void OnPointerDown(PointerEventData eventData)
+        {
+            if (Time.time - lastClickTime < debounceTime)
+                return; // Ignoriere doppeltes Event
+
+            lastClickTime = Time.time;
+            TogglePassthrough();
+        } 
         void Start()
         {
             gameObject.GetComponent<Button>().onClick.AddListener(TogglePassthrough);