IgxTreeGrid: Scrollbar moves automatically when a cell value is updated

[mkamiishi]

Description

Scrollbar moves automatically when a cell value is updated using updateCell() method. This is reproducible if each row has a different height.

• igniteui-angular version: 20.1.10
• browser: Chrome

Steps to reproduce

1. Go to sample - https://stackblitz.com/edit/txajeptb-6omjnpqd?file=src%2Fapp%2Ftree-grid-column-resizing-sample%2Ftree-grid-column-resizing-sample.component.html
2. Move the vertical scrollbar to the very bottom.
3. Click the bottom most row.

Result

Scrollbar moves automatically.

Expected result

Scrollbar remains in the same position.