By Mollie Quirk The door “remains open” for Prince Harry despite the ongoing royal rift, it has been claimed by an author. Robert Hardman’s new biography, Charles III: New King, New Court, has already made several bombshell claims ahead of its release, with it now being alleged that King Charles was “deeply hurt” by his youngest son’s actions, although “the door is always open”. The Duke and Duchess of Sussex, Prince Harry and Meghan Markle, stepped down as senior working members of the British Royal Family in 2020. The couple, along with their then-only-child Prince Archie, moved to the State…