Prince Harry’s feelings towards his former “security blanket” Meghan Markle have undergone a major shift, an insider has claimed. The father-of-two has been making waves with his recent solo appearances, showcasing a newfound confidence without his wife by his side. Royal sources suggest that the Duke of Sussex is returning to his “old self” during his most recent engagements. Harry, 40, has attended a string of events alone, including a brief trip to the UK and a visit to South Africa, whilst Meghan remained in California with their children. A source claimed: “Ever since moving to America, i…