make $f->getElement() work, even if addField was used elsewhere.
make $f->getElement() work, even if addField was used elsewhere.

xepan/atk4,atk4/atk4,xepan/atk4,samratcis/atk4,svisystem/atk4,svisystem/atk4,atk4/atk4,samratcis/atk4,atk4/atk4,svisystem/atk4,atk4/atk4,xepan/atk4,samratcis/atk4