fix(core): continue trace should adopt the trace id even if there is already an active span

Author: nicohrubec

packages/core/src/tracing/trace.ts

@@ -226,6 +226,7 @@ export const continueTrace = <V>(
   return withScope(scope => {
     const propagationContext = propagationContextFromHeaders(sentryTrace, baggage);
     scope.setPropagationContext(propagationContext);
+    _setSpanForScope(scope, undefined);
     return callback();
   });
 };