[daftsex] fix: update domain and embed player url

[JChris246]

Description of your pull request and other information

This PR implements the fix, provided by @NiklasFarber1024, for #5881 by updating the VALID_URL regex with the new domain as well as updating the url for the embed player where the video parameters are parsed.

Fixes #5881

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[pukkandan]

Update tests

[Soebb]

Please merge it!