fix(docs): update import paths for grid components (#16982)

Co-authored-by: Hristo Anastasov <hanastasov@infragistics.com>

Author: valeriatoneva

skills/igniteui-angular-grids/references/data-operations.md

@@ -249,7 +249,7 @@ import {
   IgxBooleanFilteringOperand,
   FilteringExpressionsTree,
   FilteringLogic
-} from 'igniteui-angular/core';
+} from 'igniteui-angular';
 
 // Simple single-column filter
 this.gridRef().filter('name', 'John', IgxStringFilteringOperand.instance().condition('contains'), true);
@@ -309,7 +309,7 @@ Control the AND/OR logic between **different column** filters:
 ```
 
 ```typescript
-import { FilteringLogic } from 'igniteui-angular/core';
+import { FilteringLogic } from 'igniteui-angular';
 
 // FilteringLogic.And (default) — row must match ALL column filters
 // FilteringLogic.Or — row must match ANY column filter

skills/igniteui-angular-grids/references/features.md

@@ -79,6 +79,10 @@ priceRangeMerge: IgxCellMergeStrategy = {
 
 > **Docs:** [Toolbar](https://www.infragistics.com/products/ignite-ui-angular/angular/components/grid/toolbar)
 
+```typescript
+import { IgxGridToolbarComponent } from 'igniteui-angular/grids/core';
+```
+
 ```html
 <igx-grid [data]="data()">
   <igx-grid-toolbar>