Fixes mech jetpacks being in the wrong design category due to PR timing overlap
requested to merge pull/4871/iwroteareallylongandphilosophicalbranchnameforthisaboutunseenresponsibilitiesandtheiravoidancebutitdidntworksoimhalfassingthisinstead into Bleeding-Edge
Created by: 9600bauds
just go with the flow, fix it later, and be nonchalant if noone notices it being broken noone can blame it on you