* feat: refactor auth flow and enable exchange token flow
* fix: do not cache to local storage for exchange token
* chore: remove logging
* chore: lint
* feat: pkce alignment with oauth endpoint
* feat: default log in via accountBinding.authenticateAccount if available
* feat: do not show legacy sign in if connectors has accountBinding.authenticateAccount flow
* fix: base64url safe
Oğuzhan Koral