flight: better motors output clamping + reduce TPA by 75% on P and I gains

flight: set LinuxCamera auto-exposure mode to MeteringMatrix + reduce polling timeout on V4L2Encoder

flight: use SCHED_FIFO for main stabilizer thread

flight: reduce throttle and yaw dead-bands

flight: allow to change libcamera exposure mode on-the-fly

flight: fix sensors infos

flight: allow manually setting VideoEvcoders input resolution + cleanup

flight: add 'attitude' config object + cleanup logging

flight: prevent thread locking at exit

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