Datahub: Fix display of usage conditions

[tkohr]

PR fixes a case where message that there are no usage conditions, was not displayed and wraps URLs in "Details" correctly.

[github-actions]

Affected libs: ui-elements, feature-catalog, feature-record, feature-router, feature-search, feature-map, feature-dataviz, ui-catalog, ui-search,
Affected apps: metadata-editor, datahub, demo, webcomponents, search, map-viewer,

• 🚀 Build and deploy storybook and demo on GitHub Pages
• 📦 Build and push affected docker images

[coveralls]

coverage: 86.264% (+0.05%) from 86.219% when pulling dbfc328 on fix-usage-conditions into 1083b93 on main.

[jahow]

Looking good, thanks!