chore(*): fix hgrid selection config

Author: dobromirts

live-editing/configs/HierarchicalGridConfigGenerator.ts

@@ -261,9 +261,9 @@ export class HierarchicalGridConfigGenerator implements IConfigGenerator {
                 '/src/app/hierarchical-grid/models.ts'],
             appModuleConfig: new AppModuleConfig({
                 imports: ['IgxHierarchicalGridModule', 'HGridSelectionSampleComponent', 'IgxSwitchModule',
-                    'IgxSnackbarModule', 'IgxButtonGroupModule', 'IgxPreventDocumentScrollModule'],
+                    'IgxSnackbarModule', 'IgxButtonGroupModule', 'IgxPreventDocumentScrollModule', 'IgxIconModule'],
                 ngDeclarations: ['HGridSelectionSampleComponent'],
-                ngImports: ['IgxPreventDocumentScrollModule', 'IgxHierarchicalGridModule', 'IgxSwitchModule', 'IgxSnackbarModule', 'IgxButtonGroupModule']
+                ngImports: ['IgxPreventDocumentScrollModule', 'IgxHierarchicalGridModule', 'IgxSwitchModule', 'IgxSnackbarModule', 'IgxButtonGroupModule', 'IgxIconModule']
             }),
             component: 'HGridSelectionSampleComponent'
         }));