Kibana UG: config parameters table collides with side navigation

[inqueue]

See https://www.elastic.co/guide/en/kibana/5.2/settings.html

Similar to elastic/logstash#6515

[jbudz]

It's caused by elasticsearch.requestHeadersWhitelist and elasticsearch.tribe.requestHeadersWhitelist

[jbudz]

Duplicate, closing in favor of #10174