Prevent user enumeration on password reset#433
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Este PR corrige uma falha de segurança que permitia a enumeração de usuários.
Anteriormente, o sistema retornava respostas diferentes para e-mails existentes e não existentes, permitindo que um atacante descobrisse quais usuários estão registrados.
Se o e-mail não estivesse cadastrado, o usuário era redirecionado para a home sem mostrar a mensagem.
A correção garante que a resposta seja sempre a mesma, exibindo a mensagem "Link de recuperação enviado ao e-mail!" e redirecionando o usuário, independentemente de o e-mail ter sido encontrado ou não.