fix: added missing translation keys in contact-detail and email-composer, updated french translation

[French-Asgeir]

Summary

This PR add a few missing translation key that prevented translation of some Ui element in mail composer and contact detail layouts. It also add a few missing translation for french locale.

Changes

• Implemented translation resolution to "Cc" and and "Bcc" in mail composer
• Implemented translation resolution to email fields in contact detail view layout
• Implemented translation resolution to phone fields in contact detail view layout
• Added missing translation key for phone numbers type in contact detail
• Added a few french translation across the board

Related issues

None

Type of change

• Bug fix (non-breaking change that fixes an issue)
• New feature (non-breaking change that adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation update
• Refactor / code quality improvement
• Chore / dependency update / CI change

Checklist

• I have read the Contributing Guide
• My code follows the project's code style and conventions
• I have run npm run typecheck && npm run lint and there are no errors
• The build passes (npm run build)
• I have tested my changes locally
• I have added or updated documentation if needed
• I have updated translations (locales/) if my changes affect user-facing text
• I have included screenshots or a screen recording for UI changes

Screenshots / demo

Before (Contact detail):

After (Contact detail) :

Before (Mail composer) :

After (Mail composer) :

Notes for reviewers