fixing pivot groups

Author: fosteramanda

zone-pivots/zone-pivot-groups.yml

@@ -945,7 +945,7 @@ groups:
   title: Selections
   prompt: What would you like to see?
   pivots:
-  - id: overview
+  - id: overview-azure-ai-search
     title: Overview
   - id: code-examples
     title: Code examples