@Jdiaz-co I just reproduced this, this is a bug and we will fix it in the next release. Can I ask why you want to disable SSL? You should be able to access the HTTP port on 8080 even if SSL is enabled.
If you are having trouble accessing Mango on port 8080, try disabling HSTS using ssl.hsts.enabled=false and clear your browser cache. HSTS tells your web browser to only ever use HTTPS for that website.
https://en.wikipedia.org/wiki/HTTP_Strict_Transport_Security