[IMP] stock_invoicing_type: make editable invoicing type in pickings only in 'draft' state
[IMP] stock_invoicing_type: make editable invoicing type in pickings
only in 'draft' state

Eficent/odoomrp-wip,Antiun/odoomrp-wip,oihane/odoomrp-wip,agaldona/odoomrp-wip-1,oihane/odoomrp-wip,diagramsoftware/odoomrp-wip,jobiols/odoomrp-wip,esthermm/odoomrp-wip,agaldona/odoomrp-wip-1,sergiocorato/odoomrp-wip,sergiocorato/odoomrp-wip,jobiols/odoomrp-wip,esthermm/odoomrp-wip,ddico/odoomrp-wip,Endika/odoomrp-wip,diagramsoftware/odoomrp-wip,factorlibre/odoomrp-wip,factorlibre/odoomrp-wip,odoomrp/odoomrp-wip,odoomrp/odoomrp-wip,Daniel-CA/odoomrp-wip-public,Eficent/odoomrp-wip,Daniel-CA/odoomrp-wip-public