Writing Acc/Gyro Calibration writes zeros into `cal_acc_coeff` and `cal_gyro_coeff`

[theofficialgman]

After writing the acc/gyro calibration values from the "edit calibration" menu, the cal_acc_coeff and cal_gyro_coeff contain 0000 unlike HOS writing user calibration where acc contains 4000 and gyro 343B