[FIX] base: default partner email

In a lead:
- Fill in contact information (phone, address, email...)
- Create a new contact

All information is copied to the new contact, except the email.

opw-706711

odoo/addons/base/res/res_partner.py

@@ -618,7 +618,7 @@ class Partner(models.Model, FormatAddress):
             raise UserError(_("Couldn't create contact without email address!"))
         if not name and email:
             name = email
-        partner = self.create({self._rec_name: name or email, 'email': email or False})
+        partner = self.create({self._rec_name: name or email, 'email': email or self.env.context.get('default_email', False)})
         return partner.name_get()[0]
 
     @api.model