[FIX] call super before testing the workcenters
[FIX] call super before testing the workcenters

We check that the production order's workcenter lines contain at least
one "Produce here" line", but at this stage they are not created because
we didn't call super().
So let's call super() first.

windedge/odoomrp-wip,oihane/odoomrp-wip,Eficent/odoomrp-wip,jorsea/odoomrp-wip,raycarnes/odoomrp-wip,michaeljohn32/odoomrp-wip,invitu/odoomrp-wip,jobiols/odoomrp-wip,Endika/odoomrp-wip,slevenhagen/odoomrp-wip-npg,InakiZabala/odoomrp-wip,alfredoavanzosc/odoomrp-wip-1,odoomrp/odoomrp-wip,diagramsoftware/odoomrp-wip,oihane/odoomrp-wip,esthermm/odoomrp-wip,dvitme/odoomrp-wip,odoocn/odoomrp-wip,jobiols/odoomrp-wip,factorlibre/odoomrp-wip,factorlibre/odoomrp-wip,diagramsoftware/odoomrp-wip,Antiun/odoomrp-wip,sergiocorato/odoomrp-wip,agaldona/odoomrp-wip-1,Daniel-CA/odoomrp-wip-public,ddico/odoomrp-wip,xpansa/odoomrp-wip,agaldona/odoomrp-wip-1,alhashash/odoomrp-wip,sergiocorato/odoomrp-wip,esthermm/odoomrp-wip,Daniel-CA/odoomrp-wip-public,maljac/odoomrp-wip,odoomrp/odoomrp-wip,Eficent/odoomrp-wip