parse_L3_packet: jerk1 used instead of jerk2 in L3 command validation

[osresearch]

https://github.com/evil-mad/EggBot/blob/c1afd8aca39d7158d685adcf16a204b661c6633f/EBB_firmware/app.X/source/ebb.c#L2071

Cut-n-paste error? This incorrectly rejects commands that only move axis 2 from a stand-still (zero initial gRate2 and gAccel2 but with non-zero gJerk2)

[oskay]

Yes, I think so.