minor

...p/pages/map-layers/map/map-modal/map-modal.component.html

src/app/pages/map-layers/map/map.component.ts

src/assets/config.json

src/assets/map/map-component-maps/BilbaoLayers.json

src/assets/map/map-component-maps/Helsinki_layers.json

src/assets/map/map-component-maps/bilbao_bike_request.json

...-component-maps/incidenti_messina/street_result_2018.json

...-component-maps/incidenti_messina/street_result_2019.json

...-component-maps/incidenti_messina/street_result_2020.json

src/assets/map/map-component-maps/out_district_messina.json