Merge pull request #263196 from v-luckywang/0112-Update_adf_salesforce_service_cloud_v2

[New feature] - Update Salesforce Service Cloud V2 connector doc in ADF

Author: v-ccolin

articles/data-factory/TOC.yml

@@ -564,6 +564,9 @@ items:
         href: connector-salesforce-legacy.md
     - name: Salesforce Service Cloud
       href: connector-salesforce-service-cloud.md
+      items:
+      - name: Salesforce Service Cloud (legacy)
+        href: connector-salesforce-service-cloud-legacy.md
     - name: Salesforce Marketing Cloud
       href: connector-salesforce-marketing-cloud.md
     - name: SAP Business Warehouse Open Hub