Validation error continues to show up after selecting date / number spinner

[nicolajb23]

Describe the bug
Validation error continues to show up after selecting date

To Reproduce
Steps to reproduce the behavior:

1. Bind the value of a datepicker to a DateTime property
2. In the input field use backspace to clear all the text, generates a validation error
3. Use the calendar popup to select a date, validation error does not go away

Environment

• Blazority Version 0.9.0
• .NET Core Version 3.1

[nicolajb23]

Same issue for number when using spinner buttons