Can not upload files to crowdin localization platform

I wanted to upload a file to a localization platform from Brave, but did not offered to select the file (no response).
Tried several times, but no success… From other browser, it works.

I have tried from new profile, and also did not worked.

macOS monterey. 12.1
1.33.106 Chromium: 96.0.4664.110

Downloading pdf-s also do not worik