TPAC - add "patron barcode not found" message to hold placement page
Add "Patron barcode not found" as an error text next to the barcode entry
when the lookup fails. This message helps warn staff that the barcode they
are attempting to use is not valid.
Signed-off-by: Ben Shum <bshum@biblio.org> Signed-off-by: Michael Peters <mrpeters@library.in.gov> Signed-off-by: Thomas Berezansky <tsbere@mvlc.org>