Fix the download items for non geographical datasets.

...l/components/dataset-detail/dataset-detail.component.html

...ail/components/dataset-detail/dataset-detail.component.ts

...onents/dataset-downloads/dataset-downloads.component.html

...ource-download-item/resource-download-item.component.html

...ource-download-item/resource-download-item.component.scss

...esource-download-item/resource-download-item.component.ts

src/app/dataset-detail/services/resources.service.ts