Correcting documentation

[artdevgame]

response hasn't been defined in the documentation at the point that a cookie check is being made. The update makes the check against the request object instead.

Bug

• Related issues linked using fixes #number
• Integration tests added
• Errors have a helpful link attached, see contributing.md

Feature

• Implements an existing feature request or RFC. Make sure the feature request has been accepted for implementation before opening a PR.
• Related issues linked using fixes #number
• Integration tests added
• Documentation added
• Telemetry added. In case of a feature if it's used or not.
• Errors have a helpful link attached, see contributing.md

Documentation / Examples

• [] Make sure the linting passes by running pnpm build && pnpm lint
• [] The "examples guidelines" are followed from our contributing doc