Fix map viewer spining indefinitely when loading non-existent map issue (#2327)

Author: subashtiwari1010

geonode_mapstore_client/client/js/epics/gnresource.js

@@ -241,7 +241,6 @@ const resourceTypes = {
                             ? axios.all([{...resource}, getGeoAppByPk(mapViewers?.pk, {api_preset: 'catalog_list', include: ['data', 'linked_resources']})])
                             : Promise.resolve([{...resource}]);
                     })
-                    .catch(() => null)
             ]))
                 .switchMap(([baseConfig, resource]) => {
                     const [mapResource, mapViewerResource] = resource ?? [];