While exporting the Hierarchical Grid to CSV the data is exported incorrectly

[IvanKitanov17]

Description

While exporting the Hierarchical Grid to CSV the parent level of the grid is exported correctly, however afterwards only the last child level is exported correctly and the headers and data for the other child levels are lost.

• ignite-ui version: 13.1.x
• browser: any

Steps to reproduce

1. Open the following sample
2. Export the grid to a CSV format

Result

The parent level of the grid is exported correctly, however afterwards only the last child level is exported correctly and the headers and data for the other child levels are lost

Expected result

The grid data should be exported to CSV correctly.