Embed link incorrectly shows "Incompatible web browser"

[maciejsaw]

Describe the bug

Try opening this link https://stackblitz.com/edit/vitejs-vite-qbp6jt9a?embed=1&file=README.md&view=preview
It won't work when is shared in embed mode - the preview shows "Incompativle web browser". The same link works if you remove "embed=1" from the link like https://stackblitz.com/edit/vitejs-vite-qbp6jt9a?file=README.md

Link to the blitz that caused the error

https://stackblitz.com/edit/vitejs-vite-qbp6jt9a?embed=1&file=README.md&view=preview

Steps to reproduce

1. Go to https://stackblitz.com/edit/vitejs-vite-qbp6jt9a?embed=1&file=README.md&view=preview
2. See preview with "Incompatible web browser"

Expected behavior

Preview should work in embed mode

Parity with Local

• I have run the project in my local machine and I could not reproduce the issue.

Screenshots

Platform

Browser name  = Chrome
Full version  = 148.0.0.0
Major version = 148
navigator.appName = Netscape
navigator.userAgent = Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/148.0.0.0 Safari/537.36
performance.memory = {
  "totalJSHeapSize": 59896421,
  "usedJSHeapSize": 56320401,
  "jsHeapSizeLimit": 4294967296
}
Hash = 4c73681d

Additional context

No response

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• vitejs-vite-qbp6jt9a (Open reproduction)