Revenue Invoice Updates (V2 only)

New capabilities for updating invoices with different scopes:

• UpdateFullInvoiceRequest - Full invoice update (existing behavior)
• UpdateRevenueRecognitionOnlyInvoiceRequest - Update invoice for revenue recognition purposes only

Use the scope discriminator field to specify which type of update you're performing:

• FULL - Updates all invoice fields
• REVENUE_RECOGNITION_ONLY - Updates only revenue recognition-related fields