(DOCSP-40225): Node.js Error Handler: Typo Fix (#3367)

## Pull Request Info - SDK Docs Consolidation

Jira ticket: https://jira.mongodb.org/browse/DOCSP-40225

### Staging Links
<!-- start insert-links -->
- [Handle Sync Errors -
Node.js](https://deploy-preview-3367--device-sdk.netlify.app/sdk/node/sync/handle-sync-errors/#discard-unsynced-changes-after-breaking-schema-changes)
<!-- end insert-links -->

### Release Notes

- Node.js SDK
- Sync Data/Handle Sync Errors: Correct a parameter in the error handler
code from `error` to `onError`.

examples/node/legacy/Examples/client-reset.js

@@ -267,7 +267,7 @@ describe.skip("Client Reset with Seamless Loss", () => {
               // :remove-end:
             },
           },
-          error: handleSyncError, // invoked with destructive schema changes
+          onError: handleSyncError, // invoked with destructive schema changes
         },
       };
       // :snippet-end:

source/examples/generated/node/client-reset.snippet.discard-unsynced-changes-after-destructive-schema-changes.js

@@ -40,6 +40,6 @@ const config = {
         console.log("New realm path", afterRealm.path);
       },
     },
-    error: handleSyncError, // invoked with destructive schema changes
+    onError: handleSyncError, // invoked with destructive schema changes
   },
 };