[BUG] Unable to update replication status on Gallery Image Version

Describe the bug Calling the Update API on a Gallery Image Version to change the replication does not work.

Expected behavior Able to update replication.

Actual behavior (include Exception or Stack Trace) ValidationException: Id cannot be null

To Reproduce Steps to reproduce the behavior (include a code snippet, screenshot, or any additional information that might help us reproduce the issue)

IAzure azure = ...;
var galleryClient = azure.GalleryImageVersions;
var version = await galleryClient.GetByGalleryImageAsync("ValidResourceGroupName", "ValidGalleryName", "ValidImageName", "ValidImageVersion");
await version.Update().WithRegionAvailability(Region.UAENorth, 1).ApplyAsync();

Environment:

• Name and version of the Library package used: Microsoft.Azure.Management.Fluent 1.30.0
• Hosting platform or OS and .NET runtime version (dotnet --info output for .NET Core projects): Azure Functions v3 runtime (.NET Core 3.0)
• IDE and version : Visual Studio 16.4.5 (2019)

[axayjo]

@xccc-msft, The service itself doesn’t require users to pass any of the source IDs (StorageProfile.OsDiskImage.Source.id, StorageProfile.DataDiskImages[i].Source.id, StorageProfile.source.id) in their Update Image Version calls. This must be an SDK issue. Adding @hyonholee here to take a look.

[chrisalexander]

Thanks all!