use more specific identifier to avoid accidentally wiping because a child matched

Author: relaxolotl

src/sentry_core.c

@@ -782,9 +782,9 @@ sentry_transaction_finish(sentry_transaction_t *opaque_tx)
             sentry_value_t scope_tx = scope->transaction_object->inner;
 
             const char *tx_id = sentry_value_as_string(
-                sentry_value_get_by_key(tx, "trace_id"));
+                sentry_value_get_by_key(tx, "span_id"));
             const char *scope_tx_id = sentry_value_as_string(
-                sentry_value_get_by_key(scope_tx, "trace_id"));
+                sentry_value_get_by_key(scope_tx, "span_id"));
             if (sentry__string_eq(tx_id, scope_tx_id)) {
                 sentry__transaction_decref(scope->transaction_object);
                 scope->transaction_object = NULL;
@@ -953,9 +953,9 @@ sentry_span_finish(sentry_span_t *opaque_span)
             sentry_value_t scope_span = scope->span->inner;
 
             const char *span_id = sentry_value_as_string(
-                sentry_value_get_by_key(span, "trace_id"));
+                sentry_value_get_by_key(span, "span_id"));
             const char *scope_span_id = sentry_value_as_string(
-                sentry_value_get_by_key(scope_span, "trace_id"));
+                sentry_value_get_by_key(scope_span, "span_id"));
             if (sentry__string_eq(span_id, scope_span_id)) {
                 sentry__span_decref(scope->span);
                 scope->span = NULL;