Preserve VM tags for network usage records

Author: PrashantBhanage

server/src/main/java/com/cloud/api/ApiResponseHelper.java

@@ -4396,7 +4396,7 @@ private UsageResourceDetails populateIpAddressUsageResponse(Usage usageRecord, U
     private UsageResourceDetails populateNetworkBytesUsageResponse(Usage usageRecord, UsageRecordResponse usageRecResponse, boolean oldFormat) {
         UsageResourceDetails resourceDetails = new UsageResourceDetails();
         //Device Type
-        resourceDetails.resourceType = null;
+        resourceDetails.resourceType = ResourceObjectType.UserVm;
         usageRecResponse.setType(usageRecord.getType());
         VMInstanceVO vm = null;
         HostVO host = null;