adjust sentry.span.source to changes

Author: Lms24

packages/core/src/tracing/dynamicSamplingContext.ts

@@ -6,7 +6,6 @@ import {
   SEMANTIC_ATTRIBUTE_SENTRY_PREVIOUS_TRACE_SAMPLE_RATE,
   SEMANTIC_ATTRIBUTE_SENTRY_SAMPLE_RATE,
   SEMANTIC_ATTRIBUTE_SENTRY_SOURCE,
-  SEMANTIC_ATTRIBUTE_SENTRY_SPAN_SOURCE,
 } from '../semanticAttributes';
 import type { DynamicSamplingContext } from '../types-hoist/envelope';
 import type { Span } from '../types-hoist/span';
@@ -120,9 +119,8 @@ export function getDynamicSamplingContextFromSpan(span: Span): Readonly<Partial<
   const dsc = getDynamicSamplingContextFromClient(span.spanContext().traceId, client);
 
   // We don't want to have a transaction name in the DSC if the source is "url" because URLs might contain PII
-  // TODO(v11): Only read `sentry.span.source` to determine the source
-  const source =
-    rootSpanAttributes[SEMANTIC_ATTRIBUTE_SENTRY_SOURCE] ?? rootSpanAttributes[SEMANTIC_ATTRIBUTE_SENTRY_SPAN_SOURCE];
+  // TODO(v11): Only read `SEMANTIC_ATTRIBUTE_SENTRY_SOURCE` again, once we renamed it to `sentry.span.source`
+  const source = rootSpanAttributes[SEMANTIC_ATTRIBUTE_SENTRY_SOURCE] ?? rootSpanAttributes['sentry.span.source'];
 
   // after JSON conversion, txn.name becomes jsonSpan.description
   const name = rootSpanJson.description;