BUG FIXES:
- The one where the total and subtotal did not appear on the delivery notes.
- The one where the PDF invoices were not correctly formatted.
- The one that caused a 500 error when modifying a shift.
- Fixed the QR code URL for TicketBAI Álava to review invoices.
- The one that caused a 500 error when using the "Forgot?" password option.
- The 500 error with the Creasilk integration when no email was configured.