Bug 28734: Parse display in $biblio->get_marc_notes

Bug 28734: Parse display in $biblio->get_marc_notes

1. Go to Koha Administration, MARC bibliographic frameworks
2. Edit a framework, find tag 590, edit the $z subfield to use an
authorised value.
3. Do a catalogue search and edit a record using this framework. Edit
590$z and select an authorised value. Save the record.
4. Add the record to your cart.
5. View your cart. Click More Details.
6. Scroll down to the Notes section. Notice the authorised value code is
displayed instead of the description.
7. Apply the patch, restart services.
8. Refresh your cart. Click More Details again if you need to.
9. Scroll down to the Notes section. The description of the authorised
value should now be displayed.

Sponsored-by: Catalyst IT
Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Joonas Kylmälä <joonas.kylmala@iki.fi>
Bug 28734: (follow-up) Use transformMARCXML4XSLT and tests

Confirm the following tests pass:
- t/db_dependent/Koha/Biblio.t
- t/db_dependent/XSLT.t

Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Joonas Kylmälä <joonas.kylmala@iki.fi>
Bug 28734: (QA follow-up) Fix test imports and readability

Signed-off-by: Joonas Kylmälä <joonas.kylmala@iki.fi>
Bug 28734: (QA follow-up) Update documentation about function usage

We are now using the function from Koha::Biblio.

Signed-off-by: Joonas Kylmälä <joonas.kylmala@iki.fi>
Bug 28734: Remove unadvertised changes

1. Using $frameworkcode instead of the default '' is an unadvertised change.
It would make sense to use $frameworkcode, but actually we must remove this parameter and always use the default, as we decided to make the default authoritative.
I would prefer to not introduce this change, just in case..

2. Restore good import (use plurals)

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