Add control over mouse click unselecting UI element

UOP1_Project/Assets/Scripts/Menu/MenuSelectionHandler.cs

 		}
 		
 	}
-	
+
 	// Debug
 	// private void OnGUI()
 	// {
+	private void Update()
+	{
+		if ((EventSystem.current!=null)&& (currentSelection != null)&&(EventSystem.current.currentSelectedGameObject!=currentSelection) )
+		{
+			EventSystem.current.SetSelectedGameObject(currentSelection);
+		}
+
+	}
 }

UOP1_Project/Assets/Scripts/UI/UIMenuManager.cs

 	private IEnumerator Start()
 	{
 		_inputReader.EnableMenuInput();
-		yield return new WaitForSeconds(1); //waiting time for all scenes to be loaded 
+		yield return new WaitForSeconds(0.4f); //waiting time for all scenes to be loaded 
 		SetMenuScreen(); 
 	}
 	void SetMenuScreen()