Support for domain aliases while extracting stream url (Openload)

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Description of your issue, suggested solution and other information

youtube-dl currently supports several domains for Openload website. The primary domain Openload.co is blocked in my country however other domains are supported (ex. oload.stream).

While fetching stream URL, instead of using Openload.co/stream/id can we please use <matched_domain>/stream/id ?

This will help a small user base from countries like mine.

Thank you.