core: when vds isn't in storage pool, send all connection params

when vds isn't a part of storage pool, not all connection parameters
were sent which caused the connect to the storage server to fail.

Change-Id: I67ae1418a7b879a3f0b57426d0574fcb673b2e26
Bug-Url: https://bugzilla.redhat.com/903276
Signed-off-by: Liron Aravot <laravot@redhat.com>