add the "ai-usage: ai-assisted" metadata

Author: lucciz01

support/dynamics-365/customer-service/email/incoming-email-not-converted-case.md

@@ -3,6 +3,7 @@ title: Incoming email isn't converted to a case
 description: Provides a resolution for the issue where an incoming email isn't converted to a case in Dynamics 365 Customer Service.
 ms.reviewer: sdas, ghoshsoham
 ms.author: shchaur
+ai-usage: ai-assisted
 ms.date: 04/18/2025
 ms.custom: sap:E-Mail\Case isn't getting created with record creation rule
 ---