ipatests: increase delays for WebUI host test
Previously, it waited 0.5 seconds before checking if the record was present,
but this delay was often insufficient, causing intermittent failures.
Fixes: https://pagure.io/freeipa/issue/9721
Signed-off-by: Francisco Trivino <ftrivino@redhat.com>
Reviewed-By: Florence Blanc-Renaud <frenaud@redhat.com>