Issue Summary

Confluence v2 API for whiteboards returns incorrect parentId if used on space root
 

Steps to Reproduce

• Move a whiteboard to the root of a space
• Execute GET method to get whiteboard by id
• The endpoint does not return null as expected, instead returns "0"

 Expected Results

The endpoint should return null

Actual Results

The endpoint returns "0" instead of "null".

Workaround

Currently there is no known workaround for this behaviour. A workaround will be added here when available