Bug 8948: (follow-up) Correct OPAC link

Bug 8948: (follow-up) Correct OPAC link

Signed-off-by: Andrew Fuerste-Henry <andrewfh@dubcolib.org>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit b842e55679aec03e09cc0b0e7514c3c75e8770c3)

Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>
(cherry picked from commit 25b109ade712fb80bac3ff691aa22ae0c9623d60)
Signed-off-by: Arthur Suzuki <arthur.suzuki@biblibre.com>