Add Unwrap method on tracer provider wrapper and use it in zpagesextension#14006

mx-psi merged 4 commits intoopen-telemetry:mainopen-telemetry/opentelemetry-collector:mainfrom

jade-guiton-dd:tracer-provider-unwrapjade-guiton-dd/opentelemetry-collector:tracer-provider-unwrapCopy head branch name to clipboard