Replace usage of deprecated component manager APIs on 10.6+

Replace usage of deprecated component manager APIs on 10.6+

These APIs are deprecated in 10.8+ and are disabled on 11.0(10.16)+ https://developer.apple.com/documentation/coreservices/carbon_core/component_manager?language=objc
> "This application, or a library it uses, is using the deprecated Component Manager for hosting Audio Components. This is not supported when rebuilding against the 10.16 or later SDK. Also, this makes the host incompatible with version 3 audio units. Please transition to the API's in AudioComponent.h."