MB-11910 Allow delta recovery only when vbucket match exactly.

Change-Id: Iacbe8df17aaba71ac4968695139326ee7b5defb7
Reviewed-on: http://review.couchbase.org/40501
Tested-by: Aliaksey Artamonau <aliaksiej.artamonau@gmail.com>
Reviewed-by: Aliaksey Kandratsenka <alkondratenko@gmail.com>