Hierarchical grid: It is not possible to dynamically add a row island when the level depth exceeds 3

[viktorkombov]

Description

When attempting to dynamically add a row island at a level depth greater than 3, the row island does not appear. However, it is possible to add row islands at higher levels (e.g., levels 1 and 2).

• igniteui-angular version: 19.0.x, 19.1.x
• browser: any

Steps to reproduce

1. Open the provided sample - here.
2. Expand rows to navigate to level 2.
3. Click the "Show Nested Row Island" button.

Result

• The row island at level 3 is not displayed.
• If you click "Show Row Island", only the row island at level 1 is displayed.

Expected result

It should be possible to dynamically add row islands at any level depth, including levels greater than 3.

[github-actions[bot]]

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