Fix host IP fallback for `webapp` server
Fix host IP fallback for `webapp` server

The `localIp` constant was never used, so the HTTP server was started with an `undefined` host instead of "0.0.0.0" if `process.env.BIND_IP` was `undefined`.

Hansoft/meteor,Hansoft/meteor,Hansoft/meteor,Hansoft/meteor,Hansoft/meteor,Hansoft/meteor,Hansoft/meteor