When Lucasfilm fired “The Mandalorian” actress Gina Carano in February of this year, it caused some domino effect problems for their projects in development. Two months earlier, at the big Disney Investors Day, Lucasfilm announced a new “Star Wars” series, “Rangers of The New Republic.” And while it was never officially announced, it seemed clear that Carano’s Cara Dune character would be one of those Rangers.