Fix for error when viewing a layer maps with inset maps
Fix for error when viewing a layer maps with inset maps

NYPL/nypl-warper,NYPL/nypl-warper,nypl-spacetime/nypl-warper,nypl-spacetime/nypl-warper,nypl-spacetime/nypl-warper,NYPL/nypl-warper,nypl-spacetime/nypl-warper,NYPL/nypl-warper