Bug 15047: 655 URL not clickable in opac-detail.

Bug 15047: 655 URL not clickable in opac-detail.

Test Plan:

1) Apply this patch
2) Ensure you are using the default XSLT setting for the staff and opac  record details
3) Find or create a record with MARC tags 655
4) Perform an opac search and select records with 655 field, select record and review details page.
5) Check that 655 field is clickable.

Signed-off-by: Hector Castro <hector.hecaxmmx@gmail.com>
Works as advertised. 655 field clickable

Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit bcec2166a4777aa9f3c406da9a2d133814fd7c58)
Signed-off-by: Frédéric Demians <f.demians@tamil.fr>