Description

activeRowIndexes getter creates an issue for Node versions below 22.x and igniteui-angular v.20.1.0
The following issue appears when running a sample with hierarchical grid in grid-demos and the hierarchical grid is not shown properly (only header is shown, no content in columns)

• igniteui-angular version: 20.1.0
• browser: Chrome

Steps to reproduce

1. Create a hierarchical grid
2. Add rowSelection to both the grid and the rowIsland
3. Observe the developer terminal and the error created

Result

Runtime error: this.selectionService.selection?.keys(...)?.toArray is not a function

Expected result

No errors and sample should be displayed