update layer name btn
update layer name btn

xrwang/mapbox-studio,mapbox/mapbox-studio-classic,mapbox/mapbox-studio,mapbox/mapbox-studio,xrwang/mapbox-studio,mapbox/mapbox-studio,mapbox/mapbox-studio-classic,Zhao-Qi/mapbox-studio-classic,mapbox/mapbox-studio,Zhao-Qi/mapbox-studio-classic,xrwang/mapbox-studio,Zhao-Qi/mapbox-studio-classic,Zhao-Qi/mapbox-studio-classic,Zhao-Qi/mapbox-studio-classic,xrwang/mapbox-studio,mapbox/mapbox-studio-classic,xrwang/mapbox-studio,mapbox/mapbox-studio,mapbox/mapbox-studio-classic