Redact Service Desk email address when viewed by non-authorized user
Proposal
- Service Desk issues are private by default
- Service Desk users can choose to make them public
- Doing so exposes the customer's email address to anyone who can view the project (everyone, if project is public)
In #347131 (closed) documentation was added to warn the Service Desk user that this will happen (see https://docs.gitlab.com/ee/user/project/service_desk.html#privacy-considerations).
This email address should be redacted for non-authorized users, allowing the documentation to be removed.
Note: Email address is exposed in both the header and in subsequent notes related to the issue.
Related to #347131 (closed).