Return version-id header in DeleteObject response (#11090)

even when the object version is non-existent

To make this consistent with aws behavior.

Co-authored-by: Poorna Krishnamoorthy <poorna@minio.io>

cmd/erasure-object.go

@@ -943,6 +943,7 @@ func (er erasureObjects) DeleteObjects(ctx context.Context, bucket string, objec
 // response to the client request.
 func (er erasureObjects) DeleteObject(ctx context.Context, bucket, object string, opts ObjectOptions) (objInfo ObjectInfo, err error) {
 	versionFound := true
+	objInfo = ObjectInfo{VersionID: opts.VersionID} // version id needed in Delete API response.
 	goi, gerr := er.GetObjectInfo(ctx, bucket, object, opts)
 	if gerr != nil && goi.Name == "" {
 		switch gerr.(type) {