Bridge apparently needed even for Chrome

[refi93]

We were testing AdaLite with BitBox on a computer that hadn't been connected to Bitbox02 before and we were getting a "Not allowed" error (unfortunately I don't have the stack trace) until we installed bitbox bridge, though it shouldn't be needed for Chrome browser which uses WebHID. After installing the bridge it started woking. Even before the bridge was installed the Bitbox desktop app worked fine with the device on that computer.

The computer has OS Ubuntu 20.04 and Chrome 95.0.4638.69

Any idea what could have been fixed by installing the bridge app even if there are apparently no network calls to it in Chrome? Does the installer perhaps perform any additional setup?