[_]: feat(email): handle concurrent draft updates with conflict response

[jzunigax2]

• Introduced DraftUpdateConflictError to manage concurrent modifications of drafts.
• Updated EmailService to throw a ConflictException when a draft is modified concurrently.
• Enhanced EmailController to return a conflict response for concurrent draft updates.
• Added unit tests to verify conflict handling in EmailService and JmapMailProvider during draft updates.

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Review details

⚙️ Run configuration

Configuration used: defaults

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📥 Commits

Reviewing files that changed from the base of the PR and between 1e57acc and a05bae9.

📒 Files selected for processing (6)

• src/modules/email/email.controller.ts
• src/modules/email/email.service.spec.ts
• src/modules/email/email.service.ts
• src/modules/email/mail-provider.port.ts
• src/modules/infrastructure/jmap/jmap-mail.provider.spec.ts
• src/modules/infrastructure/jmap/jmap-mail.provider.ts

✨ Finishing Touches

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• Create PR with unit tests
• Commit unit tests in branch fix/draft-deduplicate

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[sonarqubecloud]

Quality Gate passed

Issues
1 New issue
0 Accepted issues

Measures
0 Security Hotspots
80.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud