BUG uses unencrypted websocket when running behind https proxy

[plufz]

I'm trying to run the ui behind a haproxy to get ssl encryption. But the app tries to call ws:// instead of wss:// for the websocket which obviously blocks the connection in the browser. It would be great for security if this could be fixed if this is a bug and I'm not missing something in my config?

Thanks for a great project!