Ebay waiting for 200 status code but this example returns 204

[VaheYeritsyan]

https://github.com/eBay/event-notification-java-sdk/blame/e61e189171f123d7f4ce91b734d8c3a9099186f8/src/main/java/com/ebay/commerce/notification/controller/EventNotificationController.java#L70

[VaheYeritsyan]

This is official documentation of Ebay
https://developer.ebay.com/api-docs/commerce/notification/overview.html#:~:text=HTTP%20status%20of-,200,-OK.%20If%20the