Kate Middleton and Meghan Markle struggled to bond during the actress’ time in the U.K., but the Duchess of Sussex recently shared a supportive message for the Princess of Wales after she revealed she has cancer. Despite Meghan and Prince Harry’s message, experts think the mom-of-three isn’t interested in reconnecting with her American-based in-laws as she focuses on her treatment. “Kate doesn’t need Harry and Meghan to console her. She has her parents and a sister, and she’s very close to King Charles,” Sally Bedell Smith told an outlet. “We wish health and healing for Kate and the family, an…