SolrUtils: fix of similar-to-recid result order
SolrUtils: fix of similar-to-recid result order

* Fixes order of results.  (closes #1745) (PR #2236)

Signed-off-by: Patrick Glauner <5443b88bc6611431eef05c8ef00b7fee188ca13d@cern.ch>
Reviewed-by: Tibor Simko <c7116e45300b163846dc01f3ed02116e3f8ef7a5@cern.ch>

tiborsimko/invenio,inveniosoftware/invenio,inveniosoftware/invenio,tiborsimko/invenio