Uploading group avatars programmatically


I am trying to upload some group avatars and have changed the code to use AvatarFileUploadContext and AvatarFileName as the AvatarFileData element is now flagged as depreciated 

so for example 

using (Stream stream = groupIcon.OpenReadStream())
	var uploadContext = Apis.Get<IUploadedFiles>().CreateContextId();

	var tempFile = Apis.Get<IUploadedFiles>().AddUpdate(uploadContext, groupIcon.FileName, stream);
	if (tempFile != null)
		var success = Apis.Get<IGroups>().Update(existingGroup.Id.Value, new GroupsUpdateOptions()
			AvatarFileName = tempFile.FileName,
			AvatarFileUploadContext = uploadContext

The file gets uploaded into the multi file upload as expected, but the group avatar ends up with an additional suffix so for example 


Actually this also seems to happen when creating/updating the group avatar via AvatarFileData  as well

Added extra info
[edited by: Karl Barber at 3:37 PM (GMT 0) on Mon, Nov 15 2021]