Ticket description and title edit lock

We have had some cases where an agent accidentally removes the ticket topic and/or description while trying to translate it. And I don't see why would the agent be able to remove or edit the ticket description, this should be possible for the submitter, rather than the agent. So, my proposal is to add a ticket description lock, where the manager decides whether this option should be enabled or disabled (either account wise, or company/other audience wise). The changes in the descriptions are irreversible, so once the changes happen and the agent doesn't notice them, we cannot get the original text back.