fix(otel): only set Scope.Transaction in SentrySpanProcessor when null#5337

jamescrosswell merged 3 commits into

getsentry:maingetsentry/sentry-dotnet:mainfrom

tsushanth:fix/span-processor-overwrite-transactiontsushanth/sentry-dotnet:fix/span-processor-overwrite-transactionCopy head branch name to clipboard