bugfix/DDBNEXT-469: read the hash value from selected link.
bugfix/DDBNEXT-469: read the hash value from selected link.

      We now read the hash value from the link with has .active class

Deutsche-Digitale-Bibliothek/ddb-next,Deutsche-Digitale-Bibliothek/ddb-next,Deutsche-Digitale-Bibliothek/ddb-next