cubicweb #4870338 [ctl] db-dump --format=portable is broken [validation pending]

This is not tested, hence broken.
The backup component still believes in "entities_id_seq".

priorityimportant
typebug
done in3.19.10
load0.500
load left0.000
closed by#7c732d2abbc1 [restore/portable] properly restore the numrange generator
patch[restore/portable] properly restore the numrange generator [applied][backup/portable] properly write the eid numrange generator (the eid is no more a sequence) [applied]