One of the world’s most beloved Asian restaurant chains is expanding in Southern California, with a massive new Orange County location set to open next month — bringing hundreds of jobs with it. Din Tai Fung announced Friday that its newest restaurant will debut at 1401 Brea Mall Lane in Brea on Aug. 31, following a soft opening on Aug. 7. The sprawling 14,000-square-foot eatery will serve the chain’s famous handcrafted Taiwanese soup dumplings and other fan-favorite dishes in an upscale setting designed to reflect the brand’s signature blend of modern architecture and cultural elegance. The highly anticipated opening is…