- Add exportConceptosToExcel function that fetches all filtered
conceptos (limit 10000) and generates Excel
- Export button now works for both CFDIs and Conceptos tabs
- Extra columns in Conceptos Excel (not visible in table):
Nombre Emisor, Nombre Receptor, Descuento, IVA Trasladado,
IVA Retencion, ISR Retencion, Tipo Comprobante, Estatus CFDI