Fix for sorting certain fields

Author: jmgasper

src/services/ChallengeService.js

@@ -457,6 +457,18 @@ async function searchChallenges(currentUser, criteria) {
   }
 
   let sortByProp = criteria.sortBy ? criteria.sortBy : "created";
+
+  // Add '.keyword' to the end of the sort by prop for certain fields 
+  // (TOP-2364)
+  if(sortByProp === "updatedBy" || 
+     sortByProp === "createdBy" ||
+     sortByProp === "name" || 
+     sortByProp === "type" || 
+     sortByProp === "status") {
+
+      sortByProp = sortByProp + ".keyword";
+  }
+
   const sortOrderProp = criteria.sortOrder ? criteria.sortOrder : "desc";
 
   const mustQuery = [];