* Move splitOnFirstEquals to util
I will be making use of this to parse the forwarded header.
* Type splitOnFirstEquals with two items
Also add some test cases.
* Check origin header on web sockets
* Update changelog with origin check
* Fix web sockets not closing with error code
* Fix issue where HTTP error status codes are not read.
* Fix issues surrounding sessions when accessed from a proxy.
- Updated vscode args to match latest upstream.
- Fixed issues surrounding trailing slashes affecting base paths.
- Updated cookie names to better match upstream's usage, debuggability.
* Bump vendor.
* Update tests.
* Fix issue where tests lack cookie key.
Co-authored-by: Asher <ash@coder.com>
