Bug 30587: Fix opac-tags.tt translate issues

Bug 30587: Fix opac-tags.tt translate issues

This patch addresses one specific case.

To test:
1. Run:
   $ kshell
  k$ cd misc/translator
  k$ perl translate update es-ES
2. On your git checkout run:
   $ git diff | grep '\[% limit or'
=> FAIL: That shouldn't be translated
3. Run:
   $ git reset --hard HEAD
4. Apply this patch
5. Repeat 1 and 2
=> SUCCESS: No attempt to translate that tag
6. Sign off :-D

Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
Signed-off-by: Owen Leonard <oleonard@myacpl.org>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Fridolin Somers <fridolin.somers@biblibre.com>