Refactor login with store.SavePeer

[mlsmaycon]

Describe your changes

This pull request refactors the login functionality by integrating store.SavePeer. The changes aim to improve the handling of peer login processes, particularly focusing on synchronization and error handling.

Changes:

• Refactored login logic to use store.SavePeer.
• Added checks for login without lock for login necessary checks from the client and utilized write lock for full login flow.
• Updated error handling with status.NewPeerLoginExpiredError().
• Moved geoIP check logic to a more appropriate place.
• Removed redundant calls and improved documentation.
• Moved the code to smaller methods to improve readability.

Issue ticket number and link

Checklist

• Is it a bug fix
• Is a typo/documentation fix
• Is a feature enhancement
• It is a refactor
• Created tests that fail without the change (if possible)
• Extended the README / documentation, if necessary

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud