refactor(grids): move navigation overrides to existing ctor props

Author: damyanpetev

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

@@ -166,7 +166,7 @@ export abstract class IgxHierarchicalGridBaseDirective extends IgxGridBaseDirect
         viewRef: ViewContainerRef,
         injector: Injector,
         envInjector: EnvironmentInjector,
-        navigation: IgxHierarchicalGridNavigationService,
+        public override navigation: IgxHierarchicalGridNavigationService,
         filteringService: IgxFilteringService,
         textHighlightService: IgxTextHighlightService,
         @Inject(IgxOverlayService) overlayService: IgxOverlayService,
@@ -200,8 +200,6 @@ export abstract class IgxHierarchicalGridBaseDirective extends IgxGridBaseDirect
         );
     }
 
-    public override navigation: IgxHierarchicalGridNavigationService;
-
     /**
      * @hidden
      */

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

@@ -1021,7 +1021,7 @@ export class IgxPivotGridComponent extends IgxGridBaseDirective implements OnIni
         viewRef: ViewContainerRef,
         injector: Injector,
         envInjector: EnvironmentInjector,
-        navigation: IgxPivotGridNavigationService,
+        public override navigation: IgxPivotGridNavigationService,
         filteringService: IgxFilteringService,
         textHighlightService: IgxTextHighlightService,
         @Inject(IgxOverlayService) overlayService: IgxOverlayService,
@@ -1054,8 +1054,6 @@ export class IgxPivotGridComponent extends IgxGridBaseDirective implements OnIni
             _diTransactions);
     }
 
-    public override navigation: IgxPivotGridNavigationService;
-
     /**
      * @hidden
      */