chore(*): Fix failing tests.

Author: skrustev

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

@@ -5415,7 +5415,7 @@ export class IgxGridBaseDirective extends DisplayDensityBase implements
      * If `headers` is enabled, it will use the column header (if any) instead of the column field.
      */
     public getSelectedData(formatters = false, headers = false) {
-        const source = this.filteredSortedData;
+        const source = this.isRowPinningToTop ? [...this.pinnedDataView, ...this.dataView] : [...this.dataView, ...this.pinnedDataView];;
         return this.extractDataFromSelection(source, formatters, headers);
     }
 

projects/igniteui-angular/src/lib/grids/hierarchical-grid/hierarchical-grid.integration.spec.ts

@@ -832,8 +832,8 @@ describe('IgxHierarchicalGrid Integration #hGrid', () => {
 
             pinRowContainer = fixture.debugElement.queryAll(By.css(FIXED_ROW_CONTAINER));
             expect(pinRowContainer[0].children.length).toBe(2);
-            expect(pinRowContainer[0].children[0].context.rowID).toBe('0');
-            expect(pinRowContainer[0].children[1].context.rowID).toBe('1');
+            expect(pinRowContainer[0].children[0].context.rowID).toBe('1');
+            expect(pinRowContainer[0].children[1].context.rowID).toBe('0');
             expect(hierarchicalGrid.getRowByIndex(0).rowID).toBe('0');
             expect(hierarchicalGrid.getRowByIndex(1).rowID).toBe('1');
             expect(hierarchicalGrid.getRowByIndex(2).rowID).toBe('2');