Fixed Esri-Leaflet lab to load layers in sync
Fixed Esri-Leaflet lab to load layers in sync

alaframboise/geodev-hackerlabs,nixta/geodev-hackerlabs,dmartine/geodev-hackerlabs,andygup/geodev-hackerlabs,Esri/geodev-hackerlabs,dmartine/geodev-hackerlabs,andygup/geodev-hackerlabs,alaframboise/geodev-hackerlabs,Esri/geodev-hackerlabs,nixta/geodev-hackerlabs