Improve i18n for src/components/error/GlobalErrorBoundary.tsx

[nanaf6203-bit]

Audit src/components/error/GlobalErrorBoundary.tsx for hardcoded strings and extract them into translation keys, ensure pluralization/rtl support.

Acceptance Criteria

• Given the current state of the codebase, when this issue is implemented, then the described behavior is reproducible and covered by automated tests.
• The feature/bugfix includes unit and/or integration tests demonstrating expected behavior and edge cases.
• No new console.log or debug-only statements remain in production code.
• Documentation updated: README or relevant docs/stories updated with usage and examples.
• Peer-reviewed and merged to main with passing CI.

Definition of Done

• Code has tests and passes existing test suite.
• Types are correct or improved if applicable.
• Performance characteristics are acceptable (no major regressions).
• Accessibility considerations reviewed if UI changes.

[Nanafancy]

@Nanafancy has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Hi maintainer can I work on this

ℹ️ Repo Maintainers: To accept this application, review their application or assign @Nanafancy to this issue.

[drips-wave]

Congratulations, @Nanafancy! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 2, 2026.

🧑‍💻 @Nanafancy: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

Warning

When opening a PR, please link it to this issue to ensure it gets tracked accurately. Points are awarded when this issue is marked as completed by the maintainer.

🤠 Repo maintainers: Please keep an eye on the contributor's progress and review their work before the due date. You can manage this issue, including adjusting its complexity and points, here.

🌊 Happy Wave 🌊

[drips-wave]

This issue has been completed by @Nanafancy as part of the Stellar Wave Program's 5th Wave 🥳

😎 @Nanafancy: You earned 200 Points for completing this issue! After the current Wave ends, you'll be eligible for a percentage of the Wave's reward pool based on the percentage of total points you've earned. Learn more here. You can also Leave a review to share your experience working on this issue.

🧑‍💻 Repo maintainers: How'd the contributor do? Leave a review to share your experience working with them.