Bug 24128: Add alias for biblionumber search

Bug 24128: Add alias for biblionumber search

To test:
1 - In staff or OPAC using ES, search for "biblionumber:3" or any existing biblionumber
2 - No results
3 - Apply patch, restart all the things
4 - Search again
5 - You go to the biblionumber

Signed-off-by:  Bob Bennhoff <bbennhoff@clicweb.org>
Signed-off-by: Jonathan Druart <jonathan.druart@bugs.koha-community.org>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Joy Nelson <joy@bywatersolutions.com>