Bug 32242: Resolve encoding issue when sending to Net::Stomp

Bug 32242: Resolve encoding issue when sending to Net::Stomp

This is meant as a quick fix. It should be enhanced later on by
letting Net::Stomp do the UTF8 conversion.

Test plan:
Run batch mod items. Add a Unicode char in the notes.
Check if job runs and results are correct.

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>
Signed-off-by: David Nind <david@davidnind.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit 022034a1c7b91adac539c7ed16fc7b48d566912e)

Signed-off-by: Lucas Gass <lucas@bywatersolutions.com>