fix(IgxGrid): remove cell focus when change the row expansion state #7506

Author: ddincheva

projects/igniteui-angular/src/lib/grids/api.service.ts

@@ -588,12 +588,6 @@ export class GridBaseAPIService <T extends IgxGridBaseDirective & GridType> {
         if (grid.rowEditable) {
             grid.endEdit(true);
         }
-        const eventKey = event && (event as any).key ? (event as any).key.toLowerCase() : null;
-        if (eventKey && this.isToggleKey(eventKey)) {
-            (this.grid as any).zone.onStable.pipe(debounceTime(30)).pipe(first()).subscribe(() => {
-                this.focusActiveCell(rowID);
-            });
-        }
     }
 
     public get_rec_by_id(rowID) {
@@ -608,16 +602,4 @@ export class GridBaseAPIService <T extends IgxGridBaseDirective & GridType> {
         return ROW_COLLAPSE_KEYS.has(key) || ROW_EXPAND_KEYS.has(key);
     }
 
-    private focusActiveCell(rowID) {
-        // persist focused cell
-        const isVirtualized = !this.grid.verticalScrollContainer.dc.instance.notVirtual;
-        const el = this.grid.selectionService.activeElement;
-        if (isVirtualized && el) {
-            const cell = this.get_cell_by_key(rowID, this.grid.visibleColumns[el.column].field);
-            if (cell) {
-                cell.nativeElement.focus();
-            }
-        }
-    }
-
 }

projects/igniteui-angular/src/lib/grids/grid/expandable-cell.component.ts

@@ -68,7 +68,6 @@ export class IgxGridExpandableCellComponent extends IgxGridCellComponent impleme
      */
     public onIndicatorFocus() {
         this.gridAPI.submit_value();
-        this.nativeElement.focus();
     }
 
     /**