Using bool instead of event because on the same GO

UOP1_Project/Assets/Prefabs/GameplayEssentials/LocationEditorInitializer.prefab

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   m_Name: 
   m_EditorClassIdentifier: 
-  persistentScenes:
+  scenesToLoad:
+  _isEditorInitializerMode: 0
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   _OnSceneReady: {fileID: 11400000, guid: b729e40fc41dd8b4ea7aaf5c857f7186, type: 2}

UOP1_Project/Assets/Prefabs/GameplayEssentials/MenuEditorInitializer.prefab

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+  _isEditorInitializerMode: 0
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UOP1_Project/Assets/SceneReadyBroadcaster.cs

 public class SceneReadyBroadcaster : MonoBehaviour
 {
 #if UNITY_EDITOR
-
-	[Header("On Editor Initializer event")]
-	[SerializeField] private VoidEventChannelSO _OnEditorInitializer = default;
-
-
-	private void OnEnable()
+	private void Start()
-		if (_OnEditorInitializer != null)
+		if(GetComponent<EditorInitialisationLoader>()._isEditorInitializerMode == true)
-			_OnEditorInitializer.OnEventRaised += InformSceneIsReady;
+			_OnSceneReady.RaiseEvent();
-	private void OnDisable()
-	{
-		if (_OnEditorInitializer != null)
-		{
-			_OnEditorInitializer.OnEventRaised -= InformSceneIsReady;
-		}
-	}
-
-	void InformSceneIsReady()
-	{
-		_OnSceneReady.RaiseEvent();
-	}
 #endif
 }

UOP1_Project/Assets/Scripts/SceneManagement/EditorInitialisationLoader.cs

 #if UNITY_EDITOR
 	public GameSceneSO[] scenesToLoad;
 	public int targetFramerate = 0; // For debugging purposes
-	//add bool and access it from other script
-
-
-	[Header("Broadcasting on")]
-	[SerializeField] private VoidEventChannelSO _OnEditorInitializer = default;
+	//bool to know if we are coming from editor initializer mode
+	[HideInInspector] public bool _isEditorInitializerMode=false;
 
 	private void Start()
 	{
 				{
 					SceneManager.LoadSceneAsync(scenesToLoad[j].scenePath, LoadSceneMode.Additive);
 					//Inform that we are pressing play from a location or menu
-					_OnEditorInitializer.RaiseEvent();
+					_isEditorInitializerMode = true;
 				}
 		}
 	}

UOP1_Project/Assets/Scripts/SceneManagement/LoadingScreenManager.cs

 
 	private void ToggleLoadingScreen(bool state)
 	{
-		Debug.Log("I am toggeling the loading screen");
 		loadingInterface.SetActive(state);
 	}
 

UOP1_Project/Assets/Scripts/SceneManagement/SceneLoader.cs

 	{
 		//Take the first scene in the array as the scene we want to set active
 		_activeScene = locationsToLoad[0];
-		Debug.Log("active scene = " + _activeScene.scenePath);
 		UnloadScenes();
 
 		if (showLoadingScreen)

UOP1_Project/Assets/Scripts/SpawnSystem.cs

 using System;
 using System.Linq;
 using UnityEngine;
-using UnityEngine.Serialization;
 
 public class SpawnSystem : MonoBehaviour
 {

UOP1_Project/Assets/ScriptableObjects/EventChannels/OnEditorInitializer.asset

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-  m_Name: OnEditorInitializer
-  m_EditorClassIdentifier: 
-  description: Raised when user presses play from any scene, used to raise the OnSceneReady
-    event

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