Merge pull request #16994 from IgniteUI/iminchev/grid-mrl-nav-provider-21.1.x

feat(Grid): Add IgxGridMRLNavigationService to providers - 21.1.x

Author: dkamburov

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

@@ -109,6 +109,7 @@ export interface IGroupingDoneEventArgs extends IBaseEventArgs {
     preserveWhitespaces: false,
     providers: [
         IgxGridCRUDService,
+        IgxGridMRLNavigationService,
         IgxGridNavigationService,
         IgxGridSummaryService,
         IgxGridSelectionService,