Peppol and Italian edi both uses a proxy user. We should only use Italian proxy users when checking demo mode otherwise Peppol production proxy users can interfere and trigger an error like 'Company already have prod connection'. Also we don't want to delete demo Peppol connections. opw-3675908 closes odoo/odoo#149276 X-original-commit: 078543cfe34427fe96932536bc283fcdf2ce2251 Signed-off-by: Laurent Smet (las) <las@odoo.com> Signed-off-by: Thomas Beckers (tbs) <tbs@odoo.com>