systemd-resolved runs as user systemd-resolve. Ensure that resolved.conf.d drop-in directory is accessible when installer runs with restricted umask. Also ensure the file and directory has correct SELinux context. The parent directory /etc/systemd exists on all platforms. Fixes: https://pagure.io/freeipa/issue/8275 Signed-off-by: Christian Heimes <cheimes@redhat.com> Reviewed-By: Alexander Bokovoy <abokovoy@redhat.com>