Bug report

In case when culture is set to de-DE or nl-NL globally the NumericTextBox does not accept comma decimal separator from the Numeric keypad

Reproduction of the problem

Dojo: https://dojo.telerik.com/ARURAhOg

Current behavior
When comma from the Numeric keypad is pressed validation is fired.

Expected/desired behavior
Comma must be accepted as a decimal separator

Environment
**Kendo UI version: 2020.1.406