When passing parameter lang=all in a request to a endpoint with a richTextLinkReferenceResolver, links are not resolved according to their language.

Steps to reproduce

1. Make use of the attached endpoint testEndpoint_v1.yaml
2. Create a basic page with a text and image component filled with a link to a page both in English and German website.travel.test.yaml
3. Send a request to http://localhost:8080/magnoliaAuthor/.rest/delivery/testEndpoint/v1?lang=all

Expected results

Links in rich text fields are resolved for each locale

Actual results

Links in rich text fields are not resolved for each locale:

"text": "<p>this is a test <a href=\"/magnoliaAuthor/visit-finland.html\">link</a></p>\n",
"text_de": "<p>this is a test <a href=\"/magnoliaAuthor/visit-finland.html\">link</a> GERMAN</p>\n",

However, sending a request with lang=de: http://localhost:8080/magnoliaAuthor/.rest/delivery/testEndpoint/v1?lang=de

"text": "<p>this is a test <a href=\"/magnoliaAuthor/de/visit-finland.html\">link</a> GERMAN</p>\n",

returns a correctly resolved link with the locale in the URL.