Allow redirection to S3 when CloudFront is enabled

Context

In the context of ARender, the previewer needs to download the blob. The download leverages common mechanisms of DownloadService and thus benefits from S3/CloudFront redirections.

CloudFront redirection may introduce additional latency in the server to server context.

Request

We would like to get the S3 redirect instead of CloudFront redirect in such cases.

One idea would be to make the download UsageHint customizable in order to switch it to STREAM and then always redirect to S3 for this hint even if CloudFront is enabled.

Another idea would be to add a custom request param to check in S3BlobProvider#getURI