Translations are not applied for validators

[geekdevs]

Translations do not apply for validation messages.
Although I see translations from this bundle are added to the admin, e.g. "members.validation.email.already_used" it's not applied during form validation.

For example registration form has IsUniqueEmail constraint which has default message email_already_used instead of members.validation.email.already_used.

But even if I update it to be "members.validation.email.already_used" it still won't translate because pimcore is only using "messages" translation domain for translations and symfony sets "validators" translation domain for constrain violations.

I managed to solve it by forcing pimcore use "messages" domain always:

parameters:
    validator.translation_domain: 'messages'

But I was wondering if you had better solution in mind and that's just a minor issue?

[solverat]

Hey @geekdevs, thanks for your investigation. Actually, we need to set the validator translation domain by ourself, since symfony requires an explicit translation domain for validation messages. So your solution is perfectly ok. Thanks!