Content Resolver issue in new Confluence Editor

Summary

The new Confluence Editor fails to load macro during content creation.

Steps to Reproduce

1. Create new content using the new editor (Blog currently uses it)
2. Add a 3rd party macro (Balsamiq Wireframes)
3. The app never loads

Replication video: http://recordit.co/lmze9F98tf

Expected Results

No error.

Actual Results

com.atlassian.plugins.atlassian-connect-plugin:ap-core-v5.js?externals=__local-default__:formatted:2042 JWT is expired and no content resolver was specified

Notes

Only happens during first content creation. Please see the workaround.

Workaround

1. Create a blog/content
2. Publish the content
3. Hard reload the page (Shift + reload)
4. Edit the page and insert the Balsamiq Wireframe macro using the new editor