fix(AdvancedFiltering): Reverting changes on elements

Author: MarielaTihova

projects/igniteui-angular-elements/src/analyzer/elements.config.ts

@@ -450,7 +450,7 @@ export var registerConfig = [
     parents: [IgxGridToolbarComponent],
     contentQueries: [],
     additionalProperties: [],
-    methods: ["ngOnInit"],
+    methods: [],
   },
   {
     component: IgxGridToolbarComponent,

projects/igniteui-angular/src/lib/grids/toolbar/grid-toolbar-advanced-filtering.component.ts

@@ -47,6 +47,9 @@ export class IgxGridToolbarAdvancedFilteringComponent implements OnInit {
 
     constructor( @Inject(IgxToolbarToken) private toolbar: IgxToolbarToken) { }
 
+    /**
+     * @hidden
+     */
     public ngOnInit(): void {
         // Initial value
         this.numberOfColumns = this.grid?.advancedFilteringExpressionsTree ? this.extractUniqueFieldNamesFromFilterTree(this.grid?.advancedFilteringExpressionsTree).length : 0;