fix(mover): 🐛 workaround for vehicle not being removed in api on dismount

`bot.vehicle` isn't removed on dismount, so this done manually

lib/plugins/command.js

@@ -226,6 +226,7 @@ function command(username, message) {
                 case "unmount":
                 case "dismount":
                     bot.dismount()
+                    bot.vehicle = void 0
                     break
                 case "move":
                 case "go":