search:fix query string in add-to-search functionality

* Splits terms in Report Number field (addresses #2252)

* Adds double quotes around author filed value (closes #2251)

Signed-off-by: Adrian Pawel Baran <adrian.pawel.baran@cern.ch>
what about something like `$.map(arArray, function(item) { return "reportnumber:" + item; }).jon(" AND ")` ?