Important

Fixes base-fee categorization for legacy billing in stripeBillingService.ts, ensuring it is shown under subscription instead of usage-based.

• Behavior:
  • Fixes base-fee categorization for legacy billing in stripeBillingService.ts.
  • Base-fee now correctly shown under subscription instead of usage-based.
• Functions:
  • Updates mapInvoiceToTableRow to separate flat fees from usage fees for metered prices.
  • Calculates flatFeeAmount and unitPriceAmount to adjust subscriptionCents and usageCents accordingly.

^{This description was created by for e08ea43. You can customize this summary. It will automatically update as commits are pushed.}