[cosmos] Fixtures with maps are not rendered

[EvgeniiaVak]

From Data Explorer executed yarn cosmos, the maps are not working in any fixtures too, but there even the dots are not rendered now:

and there are errors in the console logs - localhost-1584702785080.log, but with no openstreetmap:

 main.js:1022 No views set on datapackage
_loader.html:1 Access to fetch at 'https://montreal.l3.ckan.io/en/dataset/587de1ea-817b-4e10-b387-83ec89f94e1b/resource/bc1e71e4-269a-4fa9-a278-ab6bfd80ec23/download/murales.geojson' from origin 'http://localhost:9090' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled.
montreal.l3.ckan.io/en/dataset/587de1ea-817b-4e10-b387-83ec89f94e1b/resource/bc1e71e4-269a-4fa9-a278-ab6bfd80ec23/download/murales.geojson:1 Failed to load resource: net::ERR_FAILED