Validating the NumericTextBox by blurring when validateOnBlur is disabled removes the k-invalid class

[martintabakov]

Bug report

In a scenario where a Validator is created with validateOnBlur:false, and is used to validate a NumericTextBox, if the component is focused and blurred after validation, the k-invalid class is removed.

Reproduction of the problem

1. Open this Dojo example - https://dojo.telerik.com/lJzoPddG/3
2. Click the button to validate the fields.
3. Focus and blur the NumericTextBox

Current behavior

The k-invalid class, and the styles associated with it, are removed

Expected behavior

Environment

• Kendo UI version: 2025.1.227
• Browser: [all]