✨ add nullVersionId to master and current version object

Author: DarkIsDude

lib/api/apiUtils/object/versioning.js

@@ -253,6 +253,7 @@ function processVersioningState(mst, vstat, nullVersionCompatMode) {
             }
             return { options, nullVersionId };
         }
+
         if (mst.isNull && !mst.isNull2) {
             // if master null version was put with an older
             // Cloudserver (or in compat mode), there is a
@@ -348,6 +349,8 @@ function versioningPreprocessing(bucketName, bucketMD, objectKey, objMD,
             if (!nullVersionId) {
                 return process.nextTick(next);
             }
+
+            options.nullVersionId = nullVersionId;
             return _storeNullVersionMD(bucketName, objectKey, nullVersionId, objMD, log, next);
         },
         function prepareNullVersionDeletion(next) {

lib/routes/routeBackbeat.js

@@ -667,7 +667,12 @@ function putMetadata(request, response, bucketInfo, objMd, log, callback) {
                     }
 
                     const masterObject = JSON.parse(masterObjectAndBucket.obj);
-                    await versioningPreprocessingPromised(bucketName, bucketInfo, objectKey, masterObject, log);
+                    const versioningPreprocessingResult =
+                        await versioningPreprocessingPromised(bucketName, bucketInfo, objectKey, masterObject, log);
+
+                    if (versioningPreprocessingResult?.nullVersionId) {
+                        omVal.nullVersionId = versioningPreprocessingResult.nullVersionId;
+                    }
                 }
             },
             next => {