Grid doesn't filter data correctly when filterable.extra is set to false

[martintabakov]

Bug report

In a Grid where the filterable.extra is set to false, the data is not filtered correctly.

Regression introduced with 2025.2.520

Reproduction of the problem

1. Open this Dojo example - https://dojo.telerik.com/iAdtdBjI/3
2. Filter the Id column by e.g. 1
3. Filter the Id column again by 2.

Current behavior

The column is empty after the second filtering

Expected/desired behavior

The data should be filtered correctly

Environment

• Kendo UI version: 2025.2.520
• Browser: [all]