Sandbox offscreen poc

[fungairino]

What does this PR do?

• Closes/Fixes/Part of #123
• Are there other changes (e.g., refactoring) included that aren’t from the ticket?
• How was this change tested?

Discussion

• Were there multiple approaches you were deciding between?

Demo

• Paste a screenshot or demo video here

Future Work

• Work for the issue/ticket that will be in a follow-up PR

Checklist

Leave all that are relevant and check off as completed

• [ ] This PR requires a security review
• [ ] This PR introduces a new library: double check it's MIT/Apache2/permissively licensed
• [ ] This PR requires a node/npm version update: let the team know on #engineering
• [ ] This PR requires a documentation change (link to old docs)
• [ ] This PR requires a tutorial update (link to old tutorials)
• [ ] This PR requires a feature flag
• [ ] This PR requires a environment variable change
• [ ] Added jest or playwright tests and/or storybook stories

For more information on our expectations for the PR process, see the code review principles doc