message: Fix installExtensions
  We should waiting for extensions installation, otherwise content script will not correctly load on renderer process when we use `forceDownload`.
diff: @@ -35,7 +35,7 @@ const installExtensions = async () => {
  // TODO: Use async interation statement.
  // Waiting on https://github.com/tc39/proposal-async-iteration
  // Promises will fail silently, which isn't what we want in development
  - Promise
  + return Promise
  .all(extensions.map(name => installer.default(installer[name], forceDownload)))
  .catch(console.log);
  }
  