refactor: polish messaging for outdated secrets
Start polishing the language shown to users (both on screen and in the log files) when secrets don't match.
When we settle on the wording, we'll need to update at least src/accounts/account_service.test.ts.
Related links
- Related to refactor: handle multiple VS Code windows manip... (!571 - merged) of which this is a UI messaging follow-up
- Related to Implement OAuth token refreshing (#561 - closed)
Edited by Tomas Vik