cubicweb-timesheet #5537364 MoveActivitiesAction uses the deprecated (and now broken) CWRequest.user_rql_callback() method [validation pending]

which makes it broken on pyramid-based instances

priorityimportant
typebug
done in0.13.0
load0.500
load left0.000
closed by#29ba257a5ce5 [views] replace the use of deprecated user_rql_callback in actions (closes #5537364)
patch[views] replace the use of deprecated user_rql_callback in actions (closes #5537364) [applied]