After a near awards-season sweep by “One Battle After Another,” “Sinners” won best ensemble at the Screen Actors Guild’s 32nd Actor Awards on Sunday, setting up a potential nail-biter finale in two weeks at the Academy Awards. Michael B. Jordan won best male actor, upsetting the category favorite, Timothée Chalamet, and handing the 39-year-old Jordan the most significant prize of his acclaimed career. As expected, Jessie Buckley won best female actor for her performance in “Hamnet.” Sean Penn won best supporting male actor for “One Battle After Another” and Amy Madigan won best supporting female actor for “Weapons.” A month after her death,