Doc fixes for sc-telemetry & API struct rename (#7934)

* Doc fixes for sc-telemetry

* Fix flag to disable log reloading

* Forgot to reverse the conditions

* Apply suggestion

* Rename pattern to directives

* Rename GlobalLoggerBuilder to LoggerBuilder

* Return instead of expect

* Use transparent outside the enum

* Update client/tracing/src/logging/directives.rs

Co-authored-by: Bastian Köcher <[email protected]>

Co-authored-by: Bastian Köcher <[email protected]>