Bug 7381 - wrong isbn showing on the staff search results

Bug 7381 - wrong isbn showing on the staff search results

Outputting the "raw" ISBN. In the case of multiples, ISBNs
are concatenated with " | " Using a T:T filter to make these
a comma-separated list.

Signed-off-by: Nicole C. Engard <nengard@bywatersolutions.com>
Added a record and confirmed that the right ISBN shows on the
search results and that the amazon cover image still works.

Signed-off-by: Paul Poulain <paul.poulain@biblibre.com>
(cherry picked from commit 8deb21a2c02e3d0678c44e37a8501de56228b256)

Signed-off-by: Chris Nighswonger <chris.nighswonger@gmail.com>