✨ skip logic if versionId is defined (update a specific version)

Issue: CLDSRV-632

Author: DarkIsDude

lib/routes/routeBackbeat.js

@@ -652,7 +652,11 @@ function putMetadata(request, response, bucketInfo, objMd, log, callback) {
                 });
             },
             next => {
-                versioningPreprocessing(bucketName, bucketInfo, objectKey, objMd, log, next);
+                if (!versionId) {
+                    return next();
+                }
+
+                return versioningPreprocessing(bucketName, bucketInfo, objectKey, objMd, log, next);
             },
             next => {
                 log.trace('putting object version', {

tests/unit/routes/routeBackbeat.js

@@ -293,10 +293,7 @@ describe('routeBackbeat', () => {
 
         it('should handle error when putting metadata', async () => {
             const putObjectMDStub = sandbox.stub(metadata, 'putObjectMD');
-            putObjectMDStub.onCall(0).callsFake(
-                (_bucketName, _objectKey, _omVal, _options, _logParam, cb) => cb(null, {})
-            );
-            putObjectMDStub.onCall(1).callsFake((bucketName, objectKey, omVal, options, logParam, cb) => {
+            putObjectMDStub.onCall(0).callsFake((bucketName, objectKey, omVal, options, logParam, cb) => {
                 cb(new Error('error'));
             });