align cfn primary id fallback behavior with java and python

Author: yiyuan-he

aws-distro-opentelemetry-node-autoinstrumentation/src/aws-metric-attribute-generator.ts

@@ -501,17 +501,14 @@ export class AwsMetricAttributeGenerator implements MetricAttributeGenerator {
       remoteResourceIdentifier = AwsMetricAttributeGenerator.getDbConnection(span);
     }
 
+    if (cloudFormationIdentifier === undefined) {
+      cloudFormationIdentifier = remoteResourceIdentifier;
+    }
+
     if (remoteResourceType !== undefined && remoteResourceIdentifier !== undefined) {
       attributes[AWS_ATTRIBUTE_KEYS.AWS_REMOTE_RESOURCE_TYPE] = remoteResourceType;
       attributes[AWS_ATTRIBUTE_KEYS.AWS_REMOTE_RESOURCE_IDENTIFIER] = remoteResourceIdentifier;
-
-      if (AwsSpanProcessingUtil.isAwsSDKSpan(span)) {
-        if (cloudFormationIdentifier === undefined) {
-          cloudFormationIdentifier = remoteResourceIdentifier;
-        }
-
-        attributes[AWS_ATTRIBUTE_KEYS.AWS_CLOUDFORMATION_PRIMARY_IDENTIFIER] = cloudFormationIdentifier;
-      }
+      attributes[AWS_ATTRIBUTE_KEYS.AWS_CLOUDFORMATION_PRIMARY_IDENTIFIER] = cloudFormationIdentifier;
     }
   }