[form] fix style when error (#2781)
[form] fix style when error (#2781)

* fix form style when error

* bugfix for el-select

imyzf/element,baiyaaaaa/element,renxia/element,immissile/m-element,Raganof/element,renxia/element,Leopoldthecoder/element-1,engriary/element,Raganof/element,iamnewsea/element-pzx,JavascriptTips/element,jsyczhanghao/element,JavascriptTips/element,ElemeFE/element,Leopoldthecoder/element-1,baiyaaaaa/element,reverland/element,imyzf/element,Kingwl/element,iamnewsea/element-pzx,reverland/element,pengchongfu/element,ElemeFE/element,huguangju/element,engriary/element,huguangju/element,immissile/m-element,pengchongfu/element,Kingwl/element