cephfs: Fetch subvolume features in newSnapshotOptionsFromID
cephfs: Fetch subvolume features in newSnapshotOptionsFromID

Get subvolume features using subvolume info and update the
volume options with Features parameter.

Signed-off-by: Yug <0bdbd163d0c315ea6160e8172ff8eceaf795a460@gmail.com>

ceph/ceph-csi,ceph/ceph-csi,ceph/ceph-csi,ceph/ceph-csi