worked on the past couple of days — City-Racing Steam update #494055

1. Race Position & Results System • Improved the FirstSecThird script to robustly track race positions, laps, and waypoints for both player and AI cars. • Integrated Unity’s Job System for efficient, multi-threaded position calculations. • Enhanced the leaderboard and race results UI, including lap time popups and final results panels. • Ensured only one GUI instance displays at a time using static checks. 2. CRCarInfo Performance & Mileage Tracking • Optimized the CRCarInfo script for better performance: • Suggested using a circular buffer for speed samples instead of a List . • Recommended tuning the mileage update interval for efficiency. • Advised minimizing allocations and unnecessary disk I/O. • Ensured accurate mileage tracking and reporting, with data saved only at key events. 3. CRRaceManager Integration • Improved the CRRaceManager to: • Correctly sync and display final race re...