Problematic userscripts #1273

When async API support is added, we should revisit:

• Нет значка юзерскрипта SaveFrom.net helper для скачивания на Soundcloud.com AdguardForWindows#3107
• A userscript does not work correctly #186
• Userscripts checklist #204
• Issue with the SteamDB custom script  AdguardForWindows#3192
• https://greasyfork.org/ru/scripts/36662-image-max-url

Also, check this one, we can't parse metadata:

• https://greasyfork.org/ru/scripts/40843-kinozal-tv-me-guru-2020-torrent-magnet-%D0%BA%D0%BD%D0%BE%D0%BF%D0%BA%D0%B8-%D0%B2-%D0%BF%D0%BE%D0%B8%D1%81%D0%BA%D0%BE%D0%B2%D0%BE%D0%B9-%D1%81%D0%B8%D1%81%D1%82%D0%B5%D0%BC%D0%B5-%D1%80%D0%B0%D0%B7%D0%B4%D0%B0%D1%87%D0%B8-%D0%BF%D0%B5%D1%80%D1%81%D0%BE%D0%BD%D1%8B/code