Add missing variable in compose

[galethil]

…in email-service

Checklist

• [ ] I have followed (at least) the PR section of the contributing guide.
• [ ] I fixed all necessary PR warnings
• [ ] The commit history is clean
• [ ] The E2E tests are passing
• [ ] If possible, the issue has been divided into more subtasks
• [ ] I did a self review before requesting a review from another team member

Description

Add missing variable in compose. Change AUTHENTICATION method …

How to test

1. start app using development script --full
2. Try is email-service is working correctly
3. Save email of a user via UI
4. ...

Closes #1820