fix(FR-2329): improve bulk user creation max count message wording

[yomybaby]

Resolves #6050(FR-2329)

Summary

• Updated credential.validation.MaxUserCount i18n key in en.json and ko.json to clarify that the limit applies to users created "at once"
• Added the missing MaxUserCount key to all 19 other language files with appropriate translations

Test plan

• Verify the bulk user creation modal shows the improved wording in English
• Verify Korean translation displays correctly
• Spot-check a few other languages to confirm the key is present and renders properly

🤖 Generated with Claude Code

[yomybaby]

• fix(FR-2329): improve bulk user creation max count message wording #6224 👈 (View in Graphite)
• main

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[Copilot]

Pull request overview

Updates the bulk user creation “max count” validation message to be clearer, and adds/aligns the corresponding translation key across all supported locales in resources/i18n/.

Changes:

• Reworded the English and Korean credential.validation.MaxUserCount message to clarify it applies “at once”.
• Added credential.validation.MaxUserCount translations for all other locale JSON files.

Reviewed changes

Copilot reviewed 21 out of 21 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
resources/i18n/en.json	Reworded credential.validation.MaxUserCount for clarity.
resources/i18n/ko.json	Reworded credential.validation.MaxUserCount for clarity.
resources/i18n/de.json	Added translation for credential.validation.MaxUserCount.
resources/i18n/el.json	Added translation for credential.validation.MaxUserCount.
resources/i18n/es.json	Added translation for credential.validation.MaxUserCount.
resources/i18n/fi.json	Added translation for credential.validation.MaxUserCount.
resources/i18n/fr.json	Added translation for credential.validation.MaxUserCount.
resources/i18n/id.json	Added translation for credential.validation.MaxUserCount.
resources/i18n/it.json	Added translation for credential.validation.MaxUserCount.
resources/i18n/ja.json	Added translation for credential.validation.MaxUserCount.
resources/i18n/mn.json	Added translation for credential.validation.MaxUserCount.
resources/i18n/ms.json	Added translation for credential.validation.MaxUserCount.
resources/i18n/pl.json	Added translation for credential.validation.MaxUserCount.
resources/i18n/pt.json	Added translation for credential.validation.MaxUserCount.
resources/i18n/pt-BR.json	Added translation for credential.validation.MaxUserCount.
resources/i18n/ru.json	Added translation for credential.validation.MaxUserCount.
resources/i18n/th.json	Added translation for credential.validation.MaxUserCount.
resources/i18n/tr.json	Added translation for credential.validation.MaxUserCount.
resources/i18n/vi.json	Added translation for credential.validation.MaxUserCount.
resources/i18n/zh-CN.json	Added translation for credential.validation.MaxUserCount.
resources/i18n/zh-TW.json	Added translation for credential.validation.MaxUserCount.