By Emma Wilson Prince Harry and Meghan Markle have reportedly been given advice on how to spend more time with King Charles, an expert has claimed. The Duke and Duchess of Sussex have been estranged from senior members of the Royal Family since they stepped down from the monarchy in January 2020, and their relationship with the royals was dealt another blow with the release of Harry’s explosive memoir Spare last year. Despite the deepening rift, Harry surprised his father last month when it was announced Charles had been diagnosed with an undisclosed type of cancer, and he flew to London to be…