fix(grid): re-init nav service after columns change in WC with layouts (#16253)

Author: dkamburov

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

@@ -1300,6 +1300,17 @@ export class IgxGridComponent extends IgxGridBaseDirective implements GridType,
         super.onColumnsAddedOrRemoved();
     }
 
+    /**
+     * @hidden
+     */
+    protected override onColumnsChanged(change: QueryList<IgxColumnComponent>) {
+        super.onColumnsChanged(change);
+
+        if (this.hasColumnLayouts && !(this.navigation instanceof IgxGridMRLNavigationService)) {
+            this._setupNavigationService();
+        }
+    }
+
     /**
      * @hidden @internal
      */