Bug 8870 UNIMARC authorities search doesn't display information properly

Bug 8870 UNIMARC authorities search doesn't display information properly

- Note field (3xx) are not displayed on search result page. We get
  'HASH()' text.
- Parallel/Other forms (7xx) are not displayed, with language name in front of
  heading, both on result and detail page.
- Note are not displayed.
- On result page, seealso form are displayed, but end with a superfluous '--'
- Style the result page, with condensed block, and space between them.
- Done both on OPAC/staff

To be applied on 3.8.x after bug 8523.

Signed-off-by: Jared Camins-Esakov <jcamins@cpbibliography.com>
Signed-off-by: Paul Poulain <paul.poulain@biblibre.com>