prevent OnCreate() function from activating in edit mode

com.unity.perception/Runtime/Randomization/Scenarios/ScenarioBase.cs

                         $"Two Randomizers of the same type ({randomizerType.Name}) cannot both be active simultaneously");
             var newRandomizer = (Randomizer)Activator.CreateInstance(randomizerType);
             m_Randomizers.Add(newRandomizer);
+#if UNITY_EDITOR
+            if (Application.isPlaying)
+                newRandomizer.Create();
+#else
+#endif
             return newRandomizer;
         }