use ms-specific api for saving Blobs instead of using the File constructor (#4376)
use ms-specific api for saving Blobs instead of using the File constructor (#4376)


quixoten/vault,hartsock/vault,hartsock/vault,kingland/vault,kingland/vault,mgk/vault,hashicorp/vault,kingland/vault,hartsock/vault,mgk/vault,joelthompson/vault,rnaveiras/vault,quixoten/vault,rnaveiras/vault,hashicorp/vault,hartsock/vault,quixoten/vault,mgk/vault,rnaveiras/vault,rnaveiras/vault,hashicorp/vault,joelthompson/vault,joelthompson/vault,hartsock/vault,kingland/vault,joelthompson/vault,Aloomaio/vault,Aloomaio/vault,quixoten/vault,rnaveiras/vault,hashicorp/vault,Aloomaio/vault,hashicorp/vault,mgk/vault,kingland/vault,hashicorp/vault,Aloomaio/vault