select: Add ScanRange to CSV&JSON (#14546)

Implements https://docs.aws.amazon.com/AmazonS3/latest/API/API_SelectObjectContent.html#AmazonS3-SelectObjectContent-request-ScanRange

Fixes #14539

cmd/object-handlers.go

@@ -206,6 +206,9 @@ func (api objectAPIHandlers) SelectObjectContentHandler(w http.ResponseWriter, r
 			Start:          offset,
 			End:            offset + length,
 		}
+		if length == -1 {
+			rs.End = -1
+		}
 
 		return getObjectNInfo(ctx, bucket, object, rs, r.Header, readLock, opts)
 	}