NXCALS-2550 Implement MetaDataService.getVariablesWithNameInListOfStrings"
requested to merge NXCALS-2550-Implement-MetaService.getVariablesWithNameInListofStrings into develop
#Merge request template @acc-logging-team - please have a look for approval.
Implementation using our RSQL search api. Had to adapt a couple of things for it to compile and work.
Closes NXCALS-2550