Merge pull request #9750 from samsonasik/refactor-apply-code-quality-54

refactor: apply code quality level 54 for Rector

Author: samsonasik

rector.php

@@ -202,4 +202,4 @@
         // keep '\\' prefix string on string '\Foo\Bar'
         StringClassNameToClassConstantRector::SHOULD_KEEP_PRE_SLASH => true,
     ])
-    ->withCodeQualityLevel(53);
+    ->withCodeQualityLevel(54);

system/Filters/PageCache.php

@@ -46,13 +46,7 @@ public function before(RequestInterface $request, $arguments = null)
 
         $response = service('response');
 
-        $cachedResponse = $this->pageCache->get($request, $response);
-
-        if ($cachedResponse instanceof ResponseInterface) {
-            return $cachedResponse;
-        }
-
-        return null;
+        return $this->pageCache->get($request, $response);
     }
 
     /**