Michael Appler The Circle in the Square Theatre — a Broadway house that last opened a revival of Rodgers and Hammerstein’s “Oklahoma!” — transformed on Sunday in the ebullient and nourishing setting of a Black church as “Chicken & Biscuits,” a new comedy by Douglas Lyons, took its opening-night bow.Attended by guests including Lynn Nottage, Molly Wingwald, Jessie Mueller, Krysta Rodriguez, and Shereen Pimentel, Sunday’s opening night met the occasion of “Chicken & Biscuits” quiet revolution