chore: revert - no improvements

shared-libs/search/src/search.js

@@ -49,21 +49,12 @@ module.exports = function(Promise, DB) {
       return map;
     });
 
-    const firstMapKeys = Object.keys(responsesMapById[0]);
-    let intersectionSet = new Set(firstMapKeys);
-
-    // NOSONAR_BEGIN
-    responsesMapById.slice(1).forEach(map => {
-      intersectionSet = new Set(
-        [...intersectionSet].filter(id => Object.hasOwnProperty.call(map, id))
-      );
-    });
-    // NOSONAR_END
+    const intersection = _.intersection(...responsesMapById.map(Object.keys));
 
     // we use the last query response values for sorting by default, but we allow other responses to "pitch in"
     // used for displaying muted contacts to the bottom when sorting by last visited date
     const lastResponse = responsesMapById.pop();
-    const result = [...intersectionSet].map(id => {
+    const result = intersection.map(id => {
       const row = lastResponse[id];
       responsesMapById.forEach(idMap => {
         if (idMap[id].sort) {