[FIX] sale: missing `oldname` of `team_id` fields

These attributes have been forgotten during rewrite in new-api.

addons/sale/sale.py

@@ -137,7 +137,7 @@ class SaleOrder(models.Model):
     payment_term_id = fields.Many2one('account.payment.term', string='Payment Term', oldname='payment_term')
     fiscal_position_id = fields.Many2one('account.fiscal.position', oldname='fiscal_position', string='Fiscal Position')
     company_id = fields.Many2one('res.company', 'Company', default=lambda self: self.env['res.company']._company_default_get('sale.order'))
-    team_id = fields.Many2one('crm.team', 'Sales Team', change_default=True, default=_get_default_team)
+    team_id = fields.Many2one('crm.team', 'Sales Team', change_default=True, default=_get_default_team, oldname='section_id')
     procurement_group_id = fields.Many2one('procurement.group', 'Procurement Group', copy=False)
 
     product_id = fields.Many2one('product.product', related='order_line.product_id', string='Product')
@@ -799,7 +799,7 @@ class AccountInvoice(models.Model):
         default_team_id = self.env['crm.team']._get_default_team_id()
         return self.env['crm.team'].browse(default_team_id)
 
-    team_id = fields.Many2one('crm.team', string='Sales Team', default=_get_default_team)
+    team_id = fields.Many2one('crm.team', string='Sales Team', default=_get_default_team, oldname='section_id')
 
     @api.multi
     def confirm_paid(self):