Spiritual leaders have advised King Charles to contemplate repairing his relationship with his son, Prince Harry, before it’s too late. The monarch has found solace in discussions about forgiveness and faith following the passing of his parents, his recent cancer diagnosis and the challenges of his role as King. An insider said Charles had taken “spiritual nourishment” from his recent discussions with religious leaders and was now more open to the idea of mending things with Harry, who has spent the past four years living in California with his wife Meghan Markle and their two children, Prince…