fixing zone pivot

Author: aahill

zone-pivots/zone-pivot-groups.yml

@@ -1106,7 +1106,7 @@ groups:
   title: Selections
   prompt: What would you like to see?
   pivots:
-  - id: Azure AI Foundry
+  - id: portal
     title: Azure AI Foundry portal
   - id: csharp
     title: C#