Do not repair invalid download code error

pkg/utils/bwlimit.go

@@ -9,6 +9,13 @@ func IsBytesLimitReached(err error) bool {
 	return false
 }
 
+func IsInvalidDownloadCode(err error) bool {
+	if dlErr, ok := err.(*http.DownloadErrorResponse); ok && dlErr.Message == "invalid_download_code" {
+		return true
+	}
+	return false
+}
+
 func AreAllTokensExpired(err error) bool {
 	return err != nil && err.Error() == "all tokens are expired"
 }