fix: restore strict boolean check for useControllerAttributes

Author: gr8man

system/CodeIgniter.php

@@ -35,7 +35,6 @@
 use Config\Cache;
 use Config\Feature;
 use Config\Kint as KintConfig;
-use Config\Routing;
 use Config\Services;
 use Exception;
 use Kint;
@@ -909,7 +908,7 @@ protected function startController()
         }
 
         // Execute route attributes' before() methods
-        if ((config('Routing')->useControllerAttributes ?? true)) { // @phpstan-ignore nullCoalesce.property
+        if ((config('Routing')->useControllerAttributes ?? true) === true) { // @phpstan-ignore nullCoalesce.property
             $this->benchmark->start('route_attributes_before');
             $attributeResponse = $this->router->executeBeforeAttributes($this->request);
             $this->benchmark->stop('route_attributes_before');