Exernal transcript opening can be blocked if content hosted in an iframe

[cahirodoherty-learningpool]

Subject of the issue/enhancement/features

The top.window onclick event can cause an Uncaught Security due to cross-origin permissions.
In this instance, the top call is unnecessary and removing will unblock the external open

[github-actions]

🎉 This issue has been resolved in version 3.3.1 🎉

The release is available on GitHub release

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