VENICE, Italy — Tiffany Haddish may have Martin Scorsese to thank for her role in Paul Schrader’s “The Card Counter,” at least indirectly. “It’s in their DNA.” And it’s a theory he’s often gone back to, from casting Richard Pryor in his debut “Blue Collar” to bringing Cedric the Entertainer to his last film “First Reformed.” So when Haddish’s name …
