Update Utilities.swift
Update Utilities.swift

When presenting an alert over a modal screen, we need rootVC.presentedViewControllerC, not just rootVC. Otherwise we get warnings such as: Warning: Attempt to present <UIAlertController: 0x7f8cf384e950> on <UITabBarController: 0x7f8ce8532ea0> whose view is not in the window hierarchy!
delba/Permission,delba/Sorry,delba/Permission,delba/Sorry