fix: improve French translations and handle email invites

[korrica1-design]

What does this PR do?

• Fixes ##Wrong translation in in French. #25174 (GitHub issue number)
• Fixes CAL-6754 (Linear issue number - should be visible at the bottom of the GitHub issue description)

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Checklist

• I haven't read the contributing guide
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---

Summary by cubic

Fixes French login label and prevents NaN userId when adding email-invite members to team event types. Improves UI consistency and avoids assignment errors.

• Bug Fixes

  • Set userId to 0 for email invites or non-numeric values to avoid NaN in AddMembersWithSwitch.

• i18n

  • French update: "login" → "Se connecter" (aligns with CAL-6754).

^{Written for commit 30eb85d. Summary will update on new commits.}

[github-actions]

Hey there and thank you for opening this pull request! 👋🏼

We require pull request titles to follow the Conventional Commits specification and it looks like your proposed title needs to be adjusted.

Details:

No release type found in pull request title "French translation fix". Add a prefix to indicate what kind of release this pull request corresponds to. For reference, see https://www.conventionalcommits.org/

Available types:
 - feat: A new feature
 - fix: A bug fix
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 - chore: Other changes that don't modify src or test files
 - revert: Reverts a previous commit

[cubic-dev-ai]

1 issue found across 2 files

Prompt for AI agents (all issues)

Check if these issues are valid — if so, understand the root cause of each and fix them.


<file name="apps/web/public/static/locales/fr/common.json">

<violation number="1" location="apps/web/public/static/locales/fr/common.json:2293">
P2: French translation for "identifier" changed to a verb phrase (“S'identifier”), but the English source is the noun label “Identifier”, so this becomes a semantic mistranslation for the booking questions identifier column/field.</violation>
</file>

_{Reply with feedback, questions, or to request a fix. Tag @cubic-dev-ai to re-run a review.}