Update V0.53

• Added the race drone Foxeer Caesar V2 • Added 10 new racing tracks • Fixed an issue with incorrect yaw rotation values in angle mode and altitude hold modes • Improved sensitivity of track checkpoints • Expanded the range of gravity fine-tuning for all drones to plus or minus 50% • Fine-tuned analog video effects • Made minor performance adjustments to 65mm, 75mm, Drashark, 35FA, and 5RA drones • Adjusted the speed of AI drones • Reduced the long press reset time to 1 second • Corrected track information • Corrected drone information