chore(*): Removes unused map in setFilteredSortedData

Author: 3phase

projects/igniteui-angular/src/lib/grids/grid-base.directive.ts

@@ -2998,7 +2998,7 @@ export class IgxGridBaseDirective extends DisplayDensityBase implements
      * @internal
      */
     public setFilteredSortedData(data, pinned: boolean) {
-        data = data ? data.map(rec => rec.ghostRecord !== undefined ? rec.recordRef : rec) : [];
+        data = data || [];
         if (this._pinnedRecordIDs.length > 0 && pinned) {
             this._filteredSortedPinnedData = data;
             this.pinnedRecords = data;