added a `canDrop` check to prevent odd behavior in the validation tool
added a `canDrop` check to prevent odd behavior in the validation tool

missioncommand/emp3-web,missioncommand/emp3-web,georgegtx/emp3-web,georgegtx/emp3-web,georgegtx/emp3-web,georgegtx/emp3-web,missioncommand/emp3-web,missioncommand/emp3-web