Merge pull request #10353 from MaxWang-MS/InteractableOnClickReceiver_fix

Add a parameterless constructor to InteractableOnClickReceiver

Author: MaxWang-MS

Assets/MRTK/SDK/Features/UX/Interactable/Scripts/Events/InteractableOnClickReceiver.cs

@@ -21,6 +21,11 @@ public class InteractableOnClickReceiver : ReceiverBase
         /// </summary>
         public InteractableOnClickReceiver(UnityEvent ev) : base(ev, "OnClick") { }
 
+        /// <summary>
+        /// Creates receiver for raising OnClick events
+        /// </summary>
+        public InteractableOnClickReceiver() : this(new UnityEvent()) { }
+
         /// <inheritdoc />
         public override void OnUpdate(InteractableStates state, Interactable source)
         {