fixed unreliable overlay toggling due to mapbox not refreshing layers after 'setPaintProperty', re #866
fixed unreliable overlay toggling due to mapbox not refreshing layers after 'setPaintProperty', re #866

cvast/arches,cvast/arches,cvast/arches,archesproject/arches,archesproject/arches,archesproject/arches,archesproject/arches,cvast/arches