[FIX] auth_signup: do not send email to duplicated user

When duplicating a user, an email was sent to a user at the email of the
previous user (as the create is called before changing the email).

opw-1853359

addons/auth_signup/models/res_users.py

@@ -155,5 +155,5 @@ class ResUsers(models.Model):
         sup = super(ResUsers, self)
         if not default or not default.get('email'):
             # avoid sending email to the user we are duplicating
-            sup = super(ResUsers, self.with_context(reset_password=False))
+            sup = super(ResUsers, self.with_context(no_reset_password=True))
         return sup.copy(default=default)