Bug 32812: Fix cataloguing/value_builder/barcode_manual.pl

Bug 32812: Fix cataloguing/value_builder/barcode_manual.pl

Use event parameter instead of id.

This is part of the refactoring happening in bug 30975

Test plan:
1. Verify that the plugin continues to work as before

Signed-off-by: Owen Leonard <oleonard@myacpl.org>
Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit 1aaf68d9e57b0e131d0bc0cc4f0353cab75f2156)
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>