fix: add IgxGridMRLNavigationService provider to MRL grid samples to resolve NG0201 error

Agent-Logs-Url: https://github.com/IgniteUI/igniteui-angular-samples/sessions/6f72de92-ca8a-446e-b1a1-8610623ba2f5

Co-authored-by: kdinev <1472513+kdinev@users.noreply.github.com>

Author: Copilot

src/app/grid/grid-mrl-custom-navigation/grid-mrl-custom-navigation.component.ts

@@ -1,6 +1,6 @@
 import { Component, ViewChild, ViewEncapsulation } from '@angular/core';
 import { IgxGridComponent } from 'igniteui-angular/grids/grid';
-import { IgxColumnComponent, IgxColumnLayoutComponent } from 'igniteui-angular/grids/core';
+import { IgxColumnComponent, IgxColumnLayoutComponent, IgxGridMRLNavigationService } from 'igniteui-angular/grids/core';
 import { DATA } from '../../data/company-data';
 import { IgxPreventDocumentScrollDirective } from '../../directives/prevent-scroll.directive';
 
@@ -9,6 +9,7 @@ import { IgxPreventDocumentScrollDirective } from '../../directives/prevent-scro
     selector: 'app-grid-mrl-custom-navigation-sample',
     styleUrls: ['./grid-mrl-custom-navigation.component.scss'],
     templateUrl: './grid-mrl-custom-navigation.component.html',
+    providers: [IgxGridMRLNavigationService],
     imports: [IgxGridComponent, IgxPreventDocumentScrollDirective, IgxColumnLayoutComponent, IgxColumnComponent]
 })
 export class GridMRLCustomNavigationComponent {

src/app/grid/grid-multi-row-layout-styling/grid-multi-row-layout-styling.component.ts

@@ -1,14 +1,15 @@
 import { Component, ViewEncapsulation } from '@angular/core';
 import { DefaultSortingStrategy, SortingDirection } from 'igniteui-angular/core';
 import { IgxGridComponent } from 'igniteui-angular/grids/grid';
-import { IgxColumnComponent, IgxColumnLayoutComponent } from 'igniteui-angular/grids/core';
+import { IgxColumnComponent, IgxColumnLayoutComponent, IgxGridMRLNavigationService } from 'igniteui-angular/grids/core';
 import { DATA } from '../../data/customers';
 import { IgxPreventDocumentScrollDirective } from '../../directives/prevent-scroll.directive';
 
 @Component({
     selector: 'app-grid-multi-row-layout-styling-sample',
     styleUrls: ['./grid-multi-row-layout-styling.component.scss'],
     templateUrl: './grid-multi-row-layout-styling.component.html',
+    providers: [IgxGridMRLNavigationService],
     imports: [IgxGridComponent, IgxPreventDocumentScrollDirective, IgxColumnLayoutComponent, IgxColumnComponent]
 })
 export class GridMultiRowLayoutStylingComponent {

src/app/grid/grid-multi-row-layout/grid-multi-row-layout.component.ts

@@ -1,7 +1,7 @@
 import { Component, ViewEncapsulation } from '@angular/core';
 import { DefaultSortingStrategy, SortingDirection } from 'igniteui-angular/core';
 import { IgxGridComponent } from 'igniteui-angular/grids/grid';
-import { IgxColumnComponent, IgxColumnLayoutComponent, IgxGridToolbarActionsComponent, IgxGridToolbarComponent, IgxGridToolbarHidingComponent, IgxGridToolbarPinningComponent } from 'igniteui-angular/grids/core';
+import { IgxColumnComponent, IgxColumnLayoutComponent, IgxGridMRLNavigationService, IgxGridToolbarActionsComponent, IgxGridToolbarComponent, IgxGridToolbarHidingComponent, IgxGridToolbarPinningComponent } from 'igniteui-angular/grids/core';
 import { DATA } from '../../data/customers';
 import { IgxPreventDocumentScrollDirective } from '../../directives/prevent-scroll.directive';
 
@@ -10,6 +10,7 @@ import { IgxPreventDocumentScrollDirective } from '../../directives/prevent-scro
     selector: 'app-grid-multi-row-layout-sample',
     styleUrls: ['./grid-multi-row-layout.component.scss'],
     templateUrl: './grid-multi-row-layout.component.html',
+    providers: [IgxGridMRLNavigationService],
     imports: [IgxGridComponent, IgxPreventDocumentScrollDirective, IgxGridToolbarComponent, IgxGridToolbarActionsComponent, IgxGridToolbarHidingComponent, IgxGridToolbarPinningComponent, IgxColumnLayoutComponent, IgxColumnComponent]
 })
 export class GridMultiRowLayoutComponent {