[freeipa PR#5150][opened] trust-add: Catch correct exception when chown SSSD

[tiran]

   URL: https://github.com/freeipa/freeipa/pull/5150
Author: tiran
 Title: #5150: trust-add: Catch correct exception when chown SSSD
Action: opened

PR body:
"""
Commit 72fb4e6 introduced a regression. SSSD_USER.chown() raises
ValueError instead of KeyError when SSSD user does not exist.

Fixes: https://pagure.io/freeipa/issue/8516
Signed-off-by: Christian Heimes <cheimes(a)redhat.com&gt;
"""

To pull the PR as Git branch:
git remote add ghfreeipa https://github.com/freeipa/freeipa
git fetch ghfreeipa pull/5150/head:pr5150
git checkout pr5150