add config expertise enabler

extensions/cornerstone/src/Viewport/Overlays/CustomizableViewportOverlay.tsx

@@ -553,7 +553,13 @@ function ExpertiseOverlayItem({ displaySetProps, customization }: OverlayItemPro
       }
     };
 
-    fetchExpertise();
+    // Get the expertise config value
+    const config = window.config || {};
+
+    // Only fetch expertise if the config value is true
+    if (config.expertise === true) {
+      fetchExpertise();
+    }
   }, [referenceInstance]);
 
   if (!expertise) return null;