Show logged in user in /about

[ptone]

What would you like to be added?

Show the logged in user email in the about box

Why is this needed?

As a user with different accounts, and where different accounts are associated with different entitlements, it would be helpful to know which is the actively logged in user.

Additional context

No response

[gemini-cli]

Found possible duplicate issues:

• Display current google accout used #12235

If you believe this is not a duplicate, please remove the status/possible-duplicate label.

[cornmander]

De-duping