[stable27] encode filename trashbin restore #40045
Merged
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Manual backport of #39842
Summary
As per xhr.spec.whatwg.org/#the-setrequestheader()-method and infra.spec.whatwg.org/#byte-sequences the header value must be in the range 0x20 (SP) to 0x7E (~) hence we need to encode everything else.
TODO
Checklist