Prince William stepped foot onto one of the most iconic TV sets in the UK — just says after he took Eugene Levy on a tour of Windsor Castle in the actor’s Apple TV+ series. The Prince of Wales, 43, was treated to an exclusive behind-the-scenes tour of the Bad Wolf Studios in Cardiff, Wales — which is home to a range of hit shows, including “Doctor Who,” “His Dark Materials” and “The Other Bennet Sister.” During his visit, William — who serves as the president of the British Academy of Film and