[ui] ensure that we always have inRecoveryModeCell value

This makes http://review.couchbase.org/39533 work

Change-Id: Icf8bd65d06def95cdf215aba504a329a6a7e34f4
Reviewed-on: http://review.couchbase.org/39828
Tested-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>
Reviewed-by: Pavel Blagodov <stochmail@gmail.com>
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>