MB-10593: fixed replication creation dialog

Change-Id: I64f3c9b35dde6d19aea52a51513742e39773790b
Reviewed-on: http://review.couchbase.org/34939
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>