app/views/catalog/_thumbnail_list_collection.html.erb
<%# [hyc-override] https://github.com/samvera/hyrax/blob/hyrax-v4.0.0/app/views/catalog/_thumbnail_list_collection.html.erb %>
<%# [hyc-override] Add alt text for thumbnails @todo can be removed when fixed upstream %>
<div class="col-md-3">
<%= document_presenter(document)&.thumbnail&.thumbnail_tag({ alt: "Thumbnail for #{document.title_or_label}" }, { suppress_link: true }) %>
</div>