The Vanderbilt product’s outside shooting took a step backward from his rookie year, but he continued to flash impressive defensive chops. In the days after Boston’s Game 6 loss to the Golden State Warriors in TheNBA Finals, several Celtics players and staff members took to the podium for exit interviews. Among the participants was 2020 first-round pick, Aaron Nesmith. He candidly reflected on his sophomore stint, which didn’t pan out as he had hoped. “[My shot] just wasn’t there this season,” Nesmith said. “In practice, it’s there. In workouts, it’s there. It’s just as soon as the game starts. It’s…