[FIX] res_partner: bad sudo.

Using sudo on super call can turn into infinite call in odoo.

opw:785415

odoo/addons/base/res/res_partner.py

@@ -509,7 +509,7 @@ class Partner(models.Model, FormatAddress):
         result = True
         # To write in SUPERUSER on field is_company and avoid access rights problems.
         if 'is_company' in vals and self.user_has_groups('base.group_partner_manager') and not self.env.uid == SUPERUSER_ID:
-            result = super(Partner, self).sudo().write({'is_company': vals.get('is_company')})
+            result = super(Partner, self.sudo()).write({'is_company': vals.get('is_company')})
             del vals['is_company']
         result = result and super(Partner, self).write(vals)
         for partner in self: