* refactor(mixer_module): change MixingOutput to use float outputs
MixingOutput now passes float values to output drivers instead of
uint16_t. This removes the need for the 8192 offset encoding and
allows reversible motors to receive negative values directly.
* fix(mixer_module): fix float safety issues
-EscClient and voxl2_io: replace outputs[i] with fabs(outputs[i]) > 0.fto fix compilation issues
-GZMixingInterface: add explicit double cast to prevent compilation error
-PWMSim: replaced unit16 cast with lroundf given that now motors outputs can be negative and casting a negative float to unit16 is undefinder behaviour
-mixer_module: same fix of PWM (unit126 cast on negative float is undefined behaviour)
* refactor(mixer_module): float rounding suggestions
* fix(pwm_sim): fix inverted disarmed condition
* fix(mixer_module): more float rounding improvements
* fix(mixer_module_tests): use casting method which are now in drivers for rounding tests
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Co-authored-by: Matthias Grob <maetugr@gmail.com>
