Fix issue #2860 : Formbuilder : Not possible to add checkboxes
Fix issue #2860 : Formbuilder : Not possible to add checkboxes

sumocoders/forkcms,carakas/forkcms,forkcms/forkcms,forkcms/forkcms,jonasdekeukelaere/forkcms,jessedobbelaere/forkcms,carakas/forkcms,justcarakas/forkcms,jacob-v-dam/forkcms,jacob-v-dam/forkcms,jacob-v-dam/forkcms,bartdc/forkcms,carakas/forkcms,jacob-v-dam/forkcms,justcarakas/forkcms,Katrienvh/forkcms,carakas/forkcms,sumocoders/forkcms,sumocoders/forkcms,jonasdekeukelaere/forkcms,justcarakas/forkcms,Katrienvh/forkcms,jessedobbelaere/forkcms,sumocoders/forkcms,forkcms/forkcms,bartdc/forkcms,Katrienvh/forkcms,jessedobbelaere/forkcms,jessedobbelaere/forkcms,carakas/forkcms,jonasdekeukelaere/forkcms,sumocoders/forkcms,forkcms/forkcms,jonasdekeukelaere/forkcms,bartdc/forkcms,Katrienvh/forkcms,jonasdekeukelaere/forkcms