“You could see the positivity in their relationship, the love,” Chef Vikram Vij of Vij’s restaurant in Vancouver tells PEOPLE of the Duke and Duchess of Sussex Meghan Markle and Prince Harry were “extremely friendly” during a “fun” double date with Michael Bublé and his wife, Luisana Lopilato, according to Chef Vikram Vij of Vij’s in Vancouver, Canada. The restaurateur …