Exported Grid samples to WC throw errors

[HUSSAR-mtrela]

Exported Grid samples to WC throw errors:
https://github.com/IgniteUI/igniteui-wc-examples/actions/runs/10102210832/job/27937371939?pr=804

ERROR in ./browser/src/samples/grids/hierarchical-grid/data-summary-formatter/index.ts:90:32
TS2339: Property 'debutColumn' does not exist on type 'HierarchicalGridDataSummaryFormatter'.
    88 |
    89 |     public webHierarchicalGridRenderedExpand(args:any): void {
  > 90 |         let debutColumn = this.debutColumn;
       |                                ^^^^^^^^^^^
    91 |         let hierarchicalGrid = this.hierarchicalGrid;
    92 |         debutColumn.formatter = (value: number) => Math.floor(value / 10) * 10 + 's';
    93 |         hierarchicalGrid.expandAll();