[CCR] Unable to load CCR app if security is disabled

[jen-huang]

Run ES with security disabled:

yarn es snapshot -E xpack.security.enabled=false

Observe that CCR app does not load due to failure to check permissions:

This is due to the ES security endpoints being unavailable if security is disabled, including /_security/user/_has_privileges which we use as part of the CCR permissions endpoint:

[checks-reporter]

Thanks for opening this issue!

[elasticmachine]

Pinging @elastic/es-ui