Don't double escape :open_street_map_provider_options so they are parsed into a JS object rather than a string.

Before if you entered '{ accessToken: secret }' into the open street map provider options field in the admin content settings the 'JSON.parse(openStreetMapConfig.open_street_map_provider_options)' call in the open_street_map directive was converting them into a string because they were double escaped. They need to be converted into a JS object in order to set the Leaflet provider options.

app/serializers/api/open_street_map_config_serializer.rb

@@ -15,7 +15,7 @@ module Api
     end
 
     def open_street_map_provider_options
-      ContentConfig.open_street_map_provider_options.to_json
+      ContentConfig.open_street_map_provider_options
     end
   end
 end