message: fix(gui): Fix missing promisify in file picker model
  Change-Type: patch
diff: 'use strict'
  -const fs = require('fs')
  +const Bluebird = require('bluebird')
  +const fs = Bluebird.promisifyAll(require('fs'))
  const path = require('path')
  const drivelist = require('drivelist')
  