After Thandiwe Newton, 49, was first pictured together with the rapper, 25, in April, the couple stepped out for a date night Thursday in Los Angeles Thandiwe Newton and Lonr appear to be going strong. The Westworld actress, 49, was photographed Thursday night with the musician, 25, as they went out for a date, grabbing dinner at Matsuhisa, a sushi restaurant in Los Angeles. Newton …