Revamp the authentication setup (#7419)

* feat: Add email pass authentication provider package

* feat: Revamp auth module and remove concept of scope

* feat: Revamp the auth module to be more standardized in how providers are loaded

* feat: Switch from scope to actor type for authentication

* feat: Add support for per-actor auth methods

* feat: Add emailpass auth provider by default

* fix: Add back app_metadata in auth module

integration-tests/scripts/cli/login.sh

@@ -5,7 +5,7 @@ status_code=$(curl \
   -H "Content-Type: application/json"\
   -d '{"email":"'$1'", "password":"'$2'"}'\
   --write-out %{http_code}\
-  http://localhost:9000/auth/admin/emailpass)
+  http://localhost:9000/auth/user/emailpass)
 
 if [[ "$status_code" -ne 200 ]] ; then
   echo "Site status changed to $status_code"