MAGE-1377 Address Codacy complaints

Author: cammonro

Helper/ConfigHelper.php

@@ -1253,7 +1253,8 @@ public function preventBackendRendering($storeId = null): bool
         if (!isset($_SERVER['HTTP_USER_AGENT'])) {
             return false;
         }
-        $userAgent = mb_strtolower(stripslashes((string) filter_input(INPUT_SERVER, 'HTTP_USER_AGENT')), 'utf-8');
+        $userAgent = mb_strtolower((string) filter_input(INPUT_SERVER, 'HTTP_USER_AGENT', FILTER_UNSAFE_RAW), 'utf-8');
+
         $allowedUserAgents = $this->configInterface->getValue(
             self::BACKEND_RENDERING_ALLOWED_USER_AGENTS,
             ScopeInterface::SCOPE_STORE,

Model/Backend/QueueCron.php

@@ -10,7 +10,6 @@ class QueueCron extends Value
     const CRON_FORMAT_REGEX = '/^(\*|[0-9,\-\/\*]+)\s+(\*|[0-9,\-\/\*]+)\s+(\*|[0-9,\-\/\*]+)\s+(\*|[0-9,\-\/\*]+)\s+(\*|[0-9,\-\/\*]+)$/';
     const CRON_DISALLOW_REGEX = '/[^@a-z0-9\*\-,\/ ]/';
 
-
     protected array $mappings = [
         '@yearly' => '0 0 1 1 *',
         '@annually' => '0 0 1 1 *',