Added the event for editor initializer and updated prefabs to ref it

UOP1_Project/Assets/Prefabs/GameplayEssentials/LocationEditorInitializer.prefab

   m_Component:
   - component: {fileID: 40564194958535909}
   - component: {fileID: 40564194958535908}
+  - component: {fileID: 7222522106795826365}
   m_Layer: 0
   m_Name: LocationEditorInitializer
   m_TagString: EditorOnly
   - {fileID: 11400000, guid: c2119785ce96367428081d6eee0d932b, type: 2}
   - {fileID: 11400000, guid: a9c92d087d242344388972b3d1c4aaae, type: 2}
   targetFramerate: 0
+  _OnEditorInitializer: {fileID: 11400000, guid: 13c350be03ed8f54cbc7630aa33b3d7b,
+    type: 2}
+--- !u!114 &7222522106795826365
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 40564194958535835}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: ca77942077a1ca846af4cc29b07958a8, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  _OnEditorInitializer: {fileID: 11400000, guid: 13c350be03ed8f54cbc7630aa33b3d7b,
+    type: 2}
+  _OnSceneReady: {fileID: 11400000, guid: b729e40fc41dd8b4ea7aaf5c857f7186, type: 2}

UOP1_Project/Assets/Prefabs/GameplayEssentials/MenuEditorInitializer.prefab

   persistentScenes:
   - {fileID: 11400000, guid: c2119785ce96367428081d6eee0d932b, type: 2}
   targetFramerate: 0
+  _OnEditorInitializer: {fileID: 11400000, guid: 13c350be03ed8f54cbc7630aa33b3d7b,
+    type: 2}

UOP1_Project/Assets/Scripts/SceneManagement/EditorInitialisationLoader.cs

 	public GameSceneSO[] persistentScenes;
 	public int targetFramerate = 0; // For debugging purposes
 
+	[Header("Broadcasting on")]
+	[SerializeField] private VoidEventChannelSO _OnEditorInitializer = default;
+
 	private void Start()
 	{
 		Application.targetFrameRate = targetFramerate; // For debugging purposes
 				else
 				{
 					SceneManager.LoadSceneAsync(persistentScenes[j].scenePath, LoadSceneMode.Additive);
+					//Inform that we are pressing play from a location or menu
+					_OnEditorInitializer.RaiseEvent();
 				}
 		}
 	}

UOP1_Project/Assets/ScriptableObjects/EventChannels/OnEditorInitializer.asset

+%YAML 1.1
+%TAG !u! tag:unity3d.com,2011:
+--- !u!114 &11400000
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 0}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 7fafac715ff920c4383fed91a38a351e, type: 3}
+  m_Name: OnEditorInitializer
+  m_EditorClassIdentifier: 
+  description: Raised when user presses play from any scene, used to raise the OnSceneReady
+    event

UOP1_Project/Assets/ScriptableObjects/EventChannels/OnEditorInitializer.asset.meta

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