Grid Filtering operators grouping bug

[iordanGrancharov]

Bug report

The filtering in the Grid component is generating a wrong expression.

Reproduction of the problem

1. Open this Dojo example https://dojo.telerik.com/ebIpUrir
2. Click on the Filter Column icon for the ShipCity and add startsWith: Oulu expression.
3. Click on the Filter Row icon for the ShipName and add Empty expression.
4. Open the Browser console's Network tab and inspect the request
5. See the invalid expression

Current behavior

Expression looks like this ( ShipName eq null or ShipName eq '' and startswith(ShipCity, 'Oulu' ))

Expected/desired behavior

Expression should look like this ((ShipName eq null or ShipName eq '') and startswith(ShipCity, 'Oulu'))

Environment

• Kendo UI version: 2024.1.319
• Browser: [all]

[gdenchevprog]

No longer reproducible in the latest release:
https://dojo.telerik.com/hmolByXV

Most likely fixed by this:
#5790