[api] Fix Tracer.StartRootSpan so that it always creates a root span - #4890

[api] Fix Tracer.StartRootSpan so that it always creates a root span#4890

CodeBlanch merged 5 commits into

open-telemetry:mainopen-telemetry/opentelemetry-dotnet:mainfrom

CodeBlanch:api-tracer-startrootspan-fixCodeBlanch/opentelemetry-dotnet:api-tracer-startrootspan-fixCopy head branch name to clipboard