* Fix player error modal
Not hidden when we change the video
* Correctly dispose player components
* Sign cross-server fetch requests for mastodon AUTHORIZED_FETCH compatibilty
* Add a remote fetch sign configuration knob
* Federated fetches refactoring
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Co-authored-by: Chocobozzz <me@florianbigard.com>
Co-authored-by: ira <ira@foxgirl.space>