Bug 24358: (bug 21232) Make the alert string translatable
"Bibliographic record does not exist!" was not translatable as it was
defined in the .js file
Test plan:
Repeat test plan from bug 21232
Bonus point: update and install a localized version and confirm that the
message is translatable
Signed-off-by: Lucas Gass <lucas@bywatersolutions.com> Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl> Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>