[Bug] Proton Drive: script cannot be accessed from origin

[ooovlad]

Describe the bug
A link to a shared file at Proton Drive can't be accessed with this web proxy with error:
Error: Filed to construct 'SharedWorker': Script at 'https://drive.proton.me/assets/static/scriptname.js?v=5.2.0+abcdef' cannot be accessed from origin 'https://example.proxydomain.com'

To Reproduce
Steps to reproduce the behavior:

1. Go to proxy webpage (get link from there)
2. Paste https://drive.proton.me/ and hit Enter.
3. See error

Expected behavior
I expect to see the webpage with a file and to be able to download it.

Screenshots

Device Information:

• Device: PC
• OS: Windows
• Browser: Chrome

Additional context
For example this web proxy allows to see shared Proton Drive links and download files.