Angelina Jolie made a rare appearance with Pax for a night on the town. On Wednesday, January 24, the mother-son duo stepped out together at the Hollywood hotspot Sushi Park in Los Angeles, Calif., as the Maleficent actress, 48, has continued to be locked in a contentious custody battle with her former husband Brad Pitt. Jolie glowed as she rocked a black shawl over a long white dress, while the 20-year-old kept it casual in a long white T-shirt and a black beanie for the meal with his mom. The night out comes months after Pax wrote a scathing post about his adoptive father, 60. “Happy Father’…