Describe the bug

Preview doesn't work, at least in Brave

Steps to reproduce

1. Open https://livecodes.io/?template=preact
2. Run doesn't work

Screenshots

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Affected services

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Platforms

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Browsers

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Environment

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Share URL(s)

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Configuration

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Console logs

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Additional context

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Is it already fixed?

None

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