Control DatePicker validation error variant

[estoksam]

Is your feature request related to a problem? Please describe.

We have up until now controlled validation of the selected date ourselves and set the date picker variant to error when the date is incorrect and the user can't continue unless another date is selected. We see warning as something the user must consider before the proceed with a value the system considers suspect.

Now, we want the calendar to no longer allow the user to select an incorrect value outside the allowed range and found the min/max limits on the DatePicker. Unfortunately, this overrides our "error" variant and always chooses "warning".

Describe the solution you'd like

Maybe a property called "validationErrorVariant"?

Describe alternatives you've considered

No solution is possible because this is entirely controlled by the date picker.

Additional context

The helper text is also overridden which could cause problems for other use cases than ours.