[Form] It's impossible to set up invalid_message in datetime fieldtype #8443
Description
It seems impossible to set up messages for subtype date and time in DateTimeType.
if (null !== $options['date_widget']) {
$dateOptions['widget'] = $options['date_widget'];
}
if (null !== $options['time_widget']) {
$timeOptions['widget'] = $options['time_widget'];
}Nothing is done to that, so that it's possible to set widget type.