mrHelper doesn't display images with non-ascii symbols in URL

[maximd-g]

https://git.url/uploads/3abbf0dfb32051adb73f4bbd1d22fb64/%D0%B8%D0%B7%D0%BE%D0%B1%D1%80%D0%B0%D0%B6%D0%B5%D0%BD%D0%B8%D0%B5.png is not displayed.