Speed up installer by restarting DS after DNA plugin
    
    DS does not enable plugins unless nsslapd-dynamic-plugins is enabled or
    DS is restarted. The DNA plugin creates its configuration entries with
    some delay after the plugin is enabled.
    
    DS is now restarted after the DNA plugin is enabled so it can create the
    entries while Dogtag and the rest of the system is installing. The
    updater `update_dna_shared_config` no longer blocks and waits for two
    times 60 seconds for `posix-ids` and `subordinate-ids`.
    
    Fixes: https://pagure.io/freeipa/issue/9358
    Signed-off-by: Christian Heimes <cheimes@redhat.com>
    Reviewed-By: Rob Crittenden <rcritten@redhat.com>