* Use `__Host-` prefix for cookie
* Fix tests
* Remove domain from cookie
* Fix logout
* remove unused fn
* fix user logout properly
* [server] Make domain-only cookie work for GitHub oauth login
... by adding additional step so we can set the cookie for the base domain only
* test: fix by redirecting before callbacl/authorize
* [server] SessionHandler: Allow to login with both primary and secondary cookies
* [server] Clear 2ndary cookie on logout
* Fix filtering cookie values when primary cookie is empty
* Fix logouts
* Fix tests
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Co-authored-by: Gero Posmyk-Leinemann <gero@gitpod.io>
* [server, ws-proxy] Extract CookieNameFromDomain into server/go, so installer (for config generation) and ws-proxy (for tests) can both depend on it
* review comment
