[Bug][MaskedTextBox] The required property is ignored

[Yanko-Georgiev]

Description

The form can be submitted when the required property of the MaskedTextBox is set and the value is null.

Steps To Reproduce

1. Open the following example: https://stackblitz.com/edit/react-l2a5ascq?file=app%2Fapp.jsx
2. Submit the form
3. Notice the form is submitted even when the MaskedTextBox has no value

Actual Behavior

The form is submitted when the required property of the MaskedTextBox is set and the value is null.

Expected Behavior

The form should not be submitted when the required property of the MaskedTextBox is set and the value is null.

Reported in Ticket ID: 1676166

[Yanko-Georgiev]

As a workaround, you can add a custom validation message and the required property will be considered:
https://stackblitz.com/edit/react-l2a5ascq?file=app%2Fapp.jsx