cubicweb #1417110 must fire hooks by default [validation pending]

See also

As developer, I need to behave as any script launched with cubicweb-ctl shell wrt to hooks : the default behavior must be to execute all the hooks, especially the hooks which check the cardinalities, but not only. Otherwise it's very easy to end up with an invalid initial database, and have no idea that this happened. If a developer needs to disable some hooks in he has to explicitely disable them.

done in3.15.0
load left0.000
closed by#1d1cfc97f6b9 [migration] fire hooks in postcreate by default (closes #1417110)