SMOOTH-Q2 firmware v1.98

PTZ-V1.98 1. Fixed the issue of deviation of tilt axis movement in PF mode; 2. Improved the smoothness of axis movement under POV ultra-wide angle mode; 3. Improved control smoothness; 4. Improved pan axis movement in Vortex mode; 5. Press the power button for 8 times to delete paired Bluetooth connection; 6. Triple press joystick to enable zoom control of native phone camera (only available on Huawei phones and Xiaomi 10). Triple press again to exit this mode.