chore(demo): make StackBlitz great again

[nsbarsukov]

Open https://maskito.dev/stackblitz

It throws

403 ERROR
The request could not be satisfied.
___

Request blocked. We can't connect to the server for this app or website at this time.
There might be too much traffic or a configuration error.
Try again later, or contact the app or website owner.
If you provide content to customers through CloudFront, 
you can find steps to troubleshoot and help prevent this error by reviewing the CloudFront documentation.

Relates:

• stackblitz.openProject throws 403 error if dependencies contains * stackblitz/sdk#24

[github-actions]

Visit the preview URL for this PR (updated for commit f571ab6):

https://maskito--pr1455-fix-stackblitz-rz3znecj.web.app

_{(expires Sat, 17 Aug 2024 08:59:10 GMT)}

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