Fix transaction card payment source label

[rcastaneda-dev]

Summary

• Fixes expense/fee transaction cards showing Source: transactions.businessRevenue (raw i18n key) instead of a translated label.
• Adds getPaymentSourceTranslationKey() in transactionUtils.ts so card display uses the same locale keys as TransactionForm (businessCash, externalFunds, mixedSources).
• Updates mixed-payment breakdown copy to use businessCash instead of the non-existent businessRevenue key.

Test plan

• Open Business Transactions and confirm an expense or fee card with payment source Business Cash shows Source: Business Cash (not a raw key).
• Confirm External Funds and Mixed Sources labels render correctly on other cards.
• For a mixed-source transaction, verify the breakdown line uses lowercase “business cash” and “external funds”.
• Switch app language to Spanish and confirm source labels still translate correctly.

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Project	Deployment	Actions	Updated (UTC)
nanisessentials-inventory	Ready	Preview, Comment	May 22, 2026 3:31am

[Copilot]

Pull request overview

Fixes transaction cards (expenses/fees) rendering a raw i18n key for the payment source by aligning the card display with the same translation keys used in TransactionForm.

Changes:

• Added getPaymentSourceTranslationKey() helper in src/lib/transactionUtils.ts to map PaymentSource values to existing transactions.* locale keys.
• Updated TransactionsPage to use the shared helper for rendering the payment source label and corrected mixed-source breakdown copy to use businessCash (instead of the non-existent businessRevenue key).

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
src/lib/transactionUtils.ts	Introduces a typed mapping helper from PaymentSource to valid transaction locale keys.
src/components/pages/transactions/TransactionsPage.tsx	Uses the shared helper to translate the payment source on transaction cards and fixes mixed breakdown wording.

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