MetaStore: Download in Search won't work.

[VolkerHartmann]

🐛 Current behavior

If you want to download a found metadata document nothing happens.

🔍 Steps to reproduce

1. Select MetaStore
2. Login (optional)
3. Go to 'Search' tab.
4. Search for '*'
5. Click 'Show more...' in the lower right of a search hit.
6. Click on 'JSON' to download metadata document
7. Nothing happens.

Live reproduction

https://demo.datamanager.kit.edu

💭 Expected behavior

Clicking 'JSON' should download the selected metadata document.

Release version

frontend-collection v1.0.0

Operating system

No response

Browser

No response