cubicweb #4962712 entity update notification should not always use the same message id [validation pending]

there can be multiple 'change' notification emails for a given eid, so always using the same message-id is wrong.

prioritynormal
typebug
done in3.21.0
load1.000
load left0.000
closed by#b2f7f03f10b3 [notifications] use non-fixed message-id for EntityUpdatedNotificationView
patch[notifications] use non-fixed message-id for EntityUpdatedNotificationView [applied]

Workflow history

from state (3)to statecommentdateUser
donevalidation pending2015/07/15 13:20 UTCnarval
in-progressdone2015/03/17 08:15 UTC 
openin-progress2015/02/17 15:26 UTC 

Ticket #4962712 - latest update on 2015/07/15, created on 2015/02/17 by Julien Cristau