Bug report
Grid's layout breaks when having columns with defined widths which sum exceeds 960px and the scrollable property is set to false.
Regression introduced in 2020.1.114
Reproduction of the problem
Open this Dojo in fullscreen and see Grid's layout.
If you change the Kendo UI version to 2019.3.1023, Grid's toolbar is correct
Current behavior
Grid's layout is breaking

Expected/desired behavior
Grid's layout shouldn't break.

Environment
- Kendo UI version: 2020.1.114
- jQuery version: x.y
- Browser: [all]