MB-8786: unbreak internal settings dialog

Change-Id: I7a4144f5f13c3828f6117b174ed1d4298c4f8448
Reviewed-on: http://review.couchbase.org/28103
Reviewed-by: Pavel Blagodov <stochmail@gmail.com>
Tested-by: Pavel Blagodov <stochmail@gmail.com>