Bug 27023: Add class names in acq suggestion table (suggestions column)

Bug 27023: Add class names in acq suggestion table (suggestions column)

Test plan:
1. Apply patch
2. Add some suggestions via the OPAC, fill out all the input fields
3. Go to the suggestion managemnet page and look specficially at the Suggestions column.
4. There should be no display change in the table but you should now <span> with classes like 'suggestion_coprightdate', suggestion_isbn, suggestion_publishercode, suggestion_collectiontitle, and suggestion_itype

Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>