cubicweb-celerytask #16687268 celery-monitor should not listen to "task-sent" event [validation pending]

first, it is deprecated, and also we actually do not want to create a CeleryTask on this event, but only when a worker has received the task

prioritynormal
typebug
done in0.3.1
load left0.000
closed by#6e430e96536d [ccplugin] do not listen to task-sent event (closes #16687268)
patch[ccplugin] do not listen to task-sent event (closes #16687268) [applied]