nixguix: Use content-disposition from http head request if provided
As a last fallback after the content-type check, instead of raising immediately.
Related to T3781 Depends on !441 (closed)
Migrated from D8774 (view on Phabricator)
As a last fallback after the content-type check, instead of raising immediately.
Related to T3781 Depends on !441 (closed)
Migrated from D8774 (view on Phabricator)