Feature: #93835 - AddErrorForProperty function for AbstractValidator

See Issue #93835


When validating extbase models, it could be helpful to assign the encountered error to a certain property. This is already possible by using

$this->result->forProperty($propertyPath)->addError($error); This method is cumbersome and requires knowledge about the result object. To ease the pain for developers, a convinience method addErrorForProperty is now available.

Use it like this in a validator class:

public function isValid(): void
   // validation


The new method enables developers adding custom error messages to validation results of properties in a convinient way.