CCR page needs to display a better error message to the user on trial license without security

[bhavyarm]

Kibana version: 6.7.0 BC4

Elasticsearch version: 6.7.0 BC4

Server OS version: darwin_x_86_64

Browser version: chrome latest

Browser OS version: OS X

Original install method (e.g. download page, yum, from source, etc.): from staging

Describe the bug: CCR page needs to display a better user message to the user who is on trial license without security.

Currently Kibana displays the message about security needs to be enabled and internal server error:

This can be changed to to tell the user that CCR needs security enabled.

We are also spitting this out in Kibana logs:

error  [15:36:35.796]  [exception] Security must be explicitly enabled when using a trial license. Enable security by setting [xpack.security.enabled] to [true] in the elasticsearch.yml file and restart the node. :: {"path":"/_security/user/_has_privileges","query":{},"body":"{\"cluster\":[\"manage\",\"manage_ccr\"]}","statusCode":500,"response":"{\"error\":{\"root_cause\":[{\"type\":\"exception\",\"reason\":\"Security must be explicitly enabled when using a trial license. Enable security by setting [xpack.security.enabled] to [true] in the elasticsearch.yml file and restart the node.\"}],\"type\":\"exception\",\"reason\":\"Security must be explicitly enabled when using a trial license. Enable security by setting [xpack.security.enabled] to [true] in the elasticsearch.yml file and restart the node.\"},\"status\":500}"}
    at respond (/Users/bhavyarajumandya/Desktop/BC4_6.7.0/kibana-6.7.0-darwin-x86_64/node_modules/elasticsearch/src/lib/transport.js:308:15)
    at checkRespForFailure (/Users/bhavyarajumandya/Desktop/BC4_6.7.0/kibana-6.7.0-darwin-x86_64/node_modules/elasticsearch/src/lib/transport.js:267:7)
    at HttpConnector.<anonymous> (/Users/bhavyarajumandya/Desktop/BC4_6.7.0/kibana-6.7.0-darwin-x86_64/node_modules/elasticsearch/src/lib/connectors/http.js:166:7)
    at IncomingMessage.wrapper (/Users/bhavyarajumandya/Desktop/BC4_6.7.0/kibana-6.7.0-darwin-x86_64/node_modules/elasticsearch/node_modules/lodash/lodash.js:4935:19)
    at IncomingMessage.emit (events.js:194:15)
    at endReadableNT (_stream_readable.js:1103:12)
    at process._tickCallback (internal/process/next_tick.js:63:19)

[elasticmachine]

Pinging @elastic/es-ui

[cjcenizal]

Related to #30613

[alisonelizabeth]

Security is now enabled by default so I do not think this issue is applicable anymore

https://www.elastic.co/guide/en/kibana/current/security-settings-kb.html