Search in Browse by Subject Category loads infinitely

[lgeggleston]

Describe the bug

Observed on https://sandbox.dspace.org/browse/srsc - on the Browse by Subject Category page, the Search function loads infinitely without doing anything.

On the Network tab, it looks like the search request is return a 401 unauthorized.
Request:
https://sandbox.dspace.org/server/api/submission/vocabularies/srsc/entries?page=0&size=20&filter=hum&exact=false

Response:

{
    "timestamp": "2026-04-08T18:30:02.917+00:00",
    "status": 401,
    "error": "Unauthorized",
    "message": "Authentication is required",
    "path": "/server/api/submission/vocabularies/srsc/entries"
}

Reported from Testathon 2026 (T064) - Edge and Chrome, DSpace 10.0

To Reproduce

Steps to reproduce the behavior:

1. Go to https://sandbox.dspace.org/browse/srsc
2. Type in the input
3. Click "Search"
4. Go to the Network tab to see 401 response

Expected behavior

The browse request returns something and search results are displayed.

Related work

N/A