Bug 23763: Make search on staff and opac use new routine

Bug 23763: Make search on staff and opac use new routine

To test:
1 - Apply patch
2 - Search on staff and opac side
3 - Confirm you can paginate results
4 - Confirm you see 10 pages on pagination if under page 10
5 - Confirm you see 20 pages in pagination if over page 10
6 - Confirm you can go to first or last page

Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
JD amended patch: perltidy

Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>