AuthModal handles empty fields, fix #3587
AuthModal handles empty fields, fix #3587

VilkkuV/codecombat,zhangxiuquan/codecombat,javatlacati/codecombat,Zerrien/codecombat,jeremiahyan/codecombat,VilkkuV/codecombat,zhangxiuquan/codecombat,tpai/codecombat,zhangxiuquan/codecombat,Zerrien/codecombat,edtrist/codecombat,icodegame/codecombat,fabichoi/codecombat,kidaa/codecombat,edtrist/codecombat,tpai/codecombat,jeremyprice/codecombat,javatlacati/codecombat,jeremyprice/codecombat,zhangxiuquan/codecombat,VilkkuV/codecombat,Zerrien/codecombat,jeremyprice/codecombat,kidaa/codecombat,jeremiahyan/codecombat,Zerrien/codecombat,jeremyprice/codecombat,edtrist/codecombat,tpai/codecombat,duybkict/codecombat,codecombat/codecombat,probil/codecombat,javatlacati/codecombat,jeremiahyan/codecombat,VilkkuV/codecombat,duybkict/codecombat,fabichoi/codecombat,fabichoi/codecombat,fabichoi/codecombat,codecombat/codecombat,icodegame/codecombat,codecombat/codecombat,kidaa/codecombat,codecombat/codecombat,codecombat/codecombat,icodegame/codecombat,duybkict/codecombat,kidaa/codecombat,jeremiahyan/codecombat,javatlacati/codecombat,icodegame/codecombat,tpai/codecombat,javatlacati/codecombat,edtrist/codecombat,duybkict/codecombat,probil/codecombat,probil/codecombat,probil/codecombat