popup-picker:rewrite class vux-header
popup-picker:rewrite class vux-header

vux-header与组件x-header中类名冲突，更改后更安全/规范
airyland/vux,greedying/vux,szgxwj/vux,greedying/vux,szgxwj/vux,huixt/hxvux,huixt/hxvux,szgxwj/vux,greedying/vux,huixt/hxvux,airyland/vux,airyland/vux