Steps To Reproduce

1. Create at least two boards
2. Name one of them "Something / something" or even "Something / ../../../something"
3. Select both boards
4. Use Export Selection (with type PDF) to export both boards as a ZIP archive

Expected behavior

The zip file should contain both slides as PDFs with the proper names set

Actual behavior

THe zip file contains directories

Screenshots or video

No response

Desktop (please complete the following information)

• Chromium 113.0.5672.93

Smartphone (please complete the following information)

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Environment (please complete the following information)

• Ubuntu 22.04
• Docker Compose
• Penpot 1.18.3

Frontend Stack Trace

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Backend Stack Trace

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Additional context

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