Steps to Reproduce:

1. Open Codespace in Safari
2. Install GitHub Issue Notebook, create a notebook, stage it, make more modifications
3. In SCM viewlet, click the entry from pending changes

Instead of opening a diff editor, we throw an error The operation is insecure due to

Refused to load https://rebornix-microsoft-vscode-github-issue-notebooks-jm29.ppe.github.dev/workbench-page/web-standalone/insider-a522f37/out/vs/base/worker/workerMain.js#notebookEditorWorkerService because it appears in neither the child-src directive nor the default-src directive of the Content Security Policy.

Does this issue occur when all extensions are disabled?: Yes/No