ATLANTA — Georgia State men’s basketball coach Jonas Hayes has been selected to work with USA Basketball as an on-court coach for the 2023 USA Under-19 Men’s National Team Training Camp. “I was completely floored and honored when I got the call from Coach [Matt] Painter offering me this tremendous opportunity,” said Hayes, who just completed his first season at the helm of the GSU program. “To be able to represent our country and to do so while working with the most respected minds in the game of basketball – I couldn’t ask for anything more. It is not an…