Grid column filter is not applied after update data in grid

Grid column filter is not applied after update data in grid.
After updating the data, grid shows all rows, although the filter field contains data for filtering.

Could you please, provide a complete demo or a demo link, with the exact steps to reproduce the issue.
The following snippet seems to work well for me:
https://snippet.dhtmlx.com/h22wer9h

Please, try to clear the header filters before/after the data reloading:

Or you may re apply the filter using the setValue() method:

Resetting filters after updating data is not convenient. It’s a pity that filters are not applied automatically after loading data.