[FIX] sale: copy sales team on the invoice from a sale order

Follows 31a01ea7, propagation of some fields from sales orders to invoices (when
created on deliveries) have been added but it missed the section_id field (Sales Team).
Fixes #4155

addons/sale_stock/sale_stock.py

@@ -453,6 +453,7 @@ class stock_picking(osv.osv):
                 'fiscal_position': sale.fiscal_position.id,
                 'payment_term': sale.payment_term.id,
                 'user_id': sale.user_id.id,
+                'section_id': sale.section_id.id,
                 'name': sale.client_order_ref or '',
                 })
         return inv_vals