[SandObserver]

Summary

• Label the Connections VPN link field "آدرس پیوند" in Persian, the label every other link field uses.
• Add a catalog test that every link field in a language shares one label, ignoring an optional-field suffix.

Testing
All green, e2e included. Added 1 catalog test.

Changelog

Checklist

• Stays within the project constraints: one container, no runtime dependencies, no build step (see CONTRIBUTING.md).
• Tests added or updated for new logic, and the full suite, lint, and typechecks pass.
• Docs updated if behavior or configuration changed.