[6.x] Update logged_in to use the guard from the Statamic config files (#11666)

Co-authored-by: Jason Varga <jason@pixelfear.com>
Co-authored-by: Duncan McClean <duncan@duncanmcclean.com>

Author: 3 people

src/View/Cascade.php

@@ -183,7 +183,7 @@ private function contextualVariables()
             'response_code' => 200,
 
             // Auth
-            'logged_in' => $loggedIn = auth()->check(),
+            'logged_in' => $loggedIn = auth(config('statamic.users.guards.web', 'web'))->check(),
             'logged_out' => ! $loggedIn,
             'current_user' => User::current(),