created an alternative code  for mega import bypass 

``// ==UserScript==
// @name MEGA Import Bypass
// @namespace yournamespace
// @version 1.0
// @description Bypass import limit on MEGA
// @match https://mega.nz/*
// @grant none
// ==/UserScript==

(function() {
  'use strict';

  // Bypass import limit
  if (typeof window.MegaData !== 'undefined') {
    window.MegaData.maxDownloadBytes = -1;
  }
})();