[IMP] fiscal_localization/italy : add warning to fiscal printer regarding ePOS

Setting the ePOS IP address to the fiscal printer IP's leads an error when printing receipts.
This commit add a warning for the users to not use the fiscal printer as an ePOS.

opw-4877288

Author: ThomasSchneider-94

content/applications/finance/fiscal_localizations/italy.rst

@@ -636,6 +636,11 @@ correct :guilabel:`SdI State` on your invoice.
 Point of Sale fiscal printers
 =============================
 
+.. warning::
+   Fiscal printers are distinct from :doc:`ePOS printers
+   </applications/sales/point_of_sale/configuration/epos_printers>`. The IP address for a fiscal
+   printer should not be entered in the ePOS IP address settings.
+
 Fiscal regulations mandate using certified RT devices, such as RT printers or RT servers, to ensure
 compliant sales receipts and secure communication with the Tax Authority. These devices
 automatically transmit fiscal data daily. RT printers, designed for individual POS terminals, handle