Bug 30172: Prevent race condition when enqueuing a new task

Bug 30172: Prevent race condition when enqueuing a new task

As we are sending the job to the rabbitmq before in the transaction, the
worker can receive the job to process before the transaction committed.

Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
(cherry picked from commit 40a329474486ffdef145466ddb66d65060d656ac)

Signed-off-by: Andrew Fuerste-Henry <andrew@bywatersolutions.com>