Switch: compatible with vue ssr, fixed #3752 (#3820)
Switch: compatible with vue ssr, fixed #3752 (#3820)


ElemeFE/element,Leopoldthecoder/element-1,ElemeFE/element,Kingwl/element,renxia/element,JavascriptTips/element,huguangju/element,renxia/element,JavascriptTips/element,immissile/m-element,Leopoldthecoder/element-1,Kingwl/element,Raganof/element,iamnewsea/element-pzx,Raganof/element,huguangju/element,immissile/m-element,iamnewsea/element-pzx,baiyaaaaa/element,baiyaaaaa/element