An employee of Chinese state TV and an editor of a newspaper published by the Communist Party have posted photos and videos online of missing tennis player Peng Shuai in a new effort to dispel concern about her disappearance after she accused a senior leader of sexual assault. The photos appeared Friday on Twitter, which cannot be seen by most internet users in China. The state TV employee, Shen Shiwei, wrote that they were on Peng’s account on the WeChat message service with the comment, “Happy Weekend.” The videos, which appear to show Peng at a restaurant, were posted by…