Cannot download the preview of password protected link shared file using basic auth

[saw-jan]

Steps to reproduce

1. Create a password protected link share of a file (lorem.txt)
2. Try to download the preview

# with remote.php
curl 'https://localhost:9200/remote.php/dav/public-files/YMYxKFSIDBqROug/lorem.txt?preview=1' \
-u public:strong-pass -vk

# without remote.php
curl 'https://localhost:9200/dav/public-files/YMYxKFSIDBqROug/lorem.txt?preview=1' \
-u public:strong-pass -vk

< HTTP/1.1 404 Not Found
< Content-Type: application/xml; charset=utf-8
...
<d:error xmlns:d="DAV" xmlns:s="http://sabredav.org/ns">
  <s:exception>Sabre\DAV\Exception\NotFound</s:exception>
  <s:message>File with name lorem.txt could not be located</s:message>
</d:error>

Related issues

• Preview request in public links are broken #8602