Flow DateTime converter with auto zero hour

ControllerConverterCollection.php

<?php
trait ControllerConverterCollection {
    protected function setDateTimeConverterFormatForArgument(string $argumentName, string $property, string $format)
    {
        if ($this->request->hasArgument($argumentName) && $this->arguments->hasArgument($argumentName)) {
            if (strrpos($format, 'H') === false) {
                /** @var array $argument */
                $argument = $this->request->getArgument($argumentName);
                $dateTime = \DateTime::createFromFormat($format, $argument[$property]);
                $dateTime->setTime(0, 0, 0);
                $format .= ' H:i:s';
                $argument[$property] = $dateTime->format($format);
                $this->request->setArgument($argumentName, $argument);
            }

            $argument = $this->arguments->getArgument($argumentName);
            $mappingConfig = $argument->getPropertyMappingConfiguration()->forProperty($property);
            $mappingConfig->setTypeConverterOption(
                DateTimeConverter::class,
                DateTimeConverter::CONFIGURATION_DATE_FORMAT,
                $format
            );
        }
    }
}