By Ryan Merrifield Prince Harry is willing to step into a temporary royal role while his father undergoes cancer treatment, it has been reported. The Times newspaper reports the Duke of Sussex has told friends he would step into such a role while Charles is unwell. The duke and his father are said to have had several “warm exchanges” since the King’s illness was diagnosed, it was claimed. Harry, who stepped down as a working royal alongside his wife Meghan, the Duchess of Sussex in 2020, is a counsellor of state but is not expected to take up any of the King’s duties while he recovers. A royal…