Preselect default button

UOP1_Project/Assets/Prefabs/Menu/DebugMenu.prefab

   m_Script: {fileID: 11500000, guid: af38c0740d43a4f419a21ea970c9cf53, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
+  _defaultSelection: {fileID: 9071686869219419063}
   _currentSelection: {fileID: 0}
   _mouseSelection: {fileID: 0}
   _inputReader: {fileID: 11400000, guid: 945ec0365077176418488737deed54be, type: 2}

UOP1_Project/Assets/Scripts/Menu/MenuSelectionHandler.cs

 using System;
+using System.Collections;
 using UnityEngine;
 using UnityEngine.EventSystems;
 using UnityEngine.InputSystem;
+	[SerializeField] private InputReader _inputReader;
+	[SerializeField] private GameObject _defaultSelection;
-	[SerializeField] private InputReader _inputReader;
+
+		StartCoroutine(SelectDefault());
 	}
 
 	private void OnDisable()
 	}
 
 	/// <summary>
-	/// Fired by keyboard and gamepad inputs.  current selected UI element will be the ui Element that was selected
-	/// when the event was fired.  The _currentSelection is updated later on, after the EventSystem moves to the
+	/// Highlights the default element
+	/// </summary>
+	private IEnumerator SelectDefault()
+	{
+		yield return new WaitForEndOfFrame(); // Necessary wait otherwise the highlight won't show up
+
+		if (_defaultSelection != null)
+			EventSystem.current.SetSelectedGameObject(_defaultSelection);
+	}
+
+	/// <summary>
+	/// Fired by keyboard and gamepad inputs. Current selected UI element will be the ui Element that was selected
+	/// when the event was fired. The _currentSelection is updated later on, after the EventSystem moves to the
 	/// desired UI element, the UI element will call into UpdateSelection()
 	/// </summary>
 	private void HandleMoveSelection()