4e61ff618e
- Deleted SalesInvoiceItemsService as it was not implemented. - Changed variable declaration from `const` to `let` in SalesInvoicesService for sales invoice creation. - Updated response handling after sending to TSP provider in SalesInvoicesService. - Renamed payload properties in TspProvider DTOs for clarity. - Enhanced error handling in SalesInvoiceTspSwitchService for unsupported providers. - Refactored SalesInvoiceTspService to utilize utility functions for payload building and sending. - Updated PrismaService to increase connection limit and utilize dynamic options. - Added new migration scripts to update database schema for sale_invoice_tsp_attempts. - Introduced utility functions for building payloads and handling responses in sales invoice processing.