refactor: fix BelongsToTenant trait to exempt candidates globally - removes all withoutGlobalScopes() workarounds

routes/web.php

@@ -51,18 +51,7 @@ Route::get('/dashboard', function () {
         $candidate = auth()->user()->candidate;
         
         if ($candidate) {
-            // Load without global tenant scope so candidates (who may have no tenant_id)
-            // can still see the quizzes linked to their job position
-            $candidate->load(['jobPosition' => function($query) {
-                $query->withoutGlobalScopes();
-            }]);
-            
-            if ($candidate->jobPosition) {
-                $candidate->jobPosition->setRelation(
-                    'quizzes',
-                    $candidate->jobPosition->quizzes()->withoutGlobalScopes()->get()
-                );
-            }
+            $candidate->load('jobPosition.quizzes');
         }
 
         $quizzes = ($candidate && $candidate->jobPosition)