fix editing registration with free items (was counting them twice by accident)
fix editing registration with free items (was counting them twice by accident)

scotthue/unicycling-registration,rdunlop/unicycling-registration,scotthue/unicycling-registration,rdunlop/unicycling-registration,scotthue/unicycling-registration,rdunlop/unicycling-registration,rdunlop/unicycling-registration