Merge pull request #7262 from IgniteUI/pbozhinov/fix-7261

Fixes errors in setFilteredSortedData when data is undefined

Author: ChronosSF

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.map(rec => rec.ghostRecord !== undefined ? rec.recordRef : rec);
+        data = data || [];
         if (this._pinnedRecordIDs.length > 0 && pinned) {
             this._filteredSortedPinnedData = data;
             this.pinnedRecords = data;
@@ -5195,7 +5195,7 @@ export class IgxGridBaseDirective extends DisplayDensityBase implements
      * ```
      */
     get unpinnedDataView(): any[] {
-        return this.unpinnedRecords ? this.unpinnedRecords : this.verticalScrollContainer.igxForOf;
+        return this.unpinnedRecords ? this.unpinnedRecords : this.verticalScrollContainer.igxForOf || [];
     }
 
     /**