Merge pull request #7559 from BennyBPB/4.4

perf: Change current directory in public/index.php only if necessary

Author: kenjis

public/index.php

@@ -16,7 +16,9 @@
 define('FCPATH', __DIR__ . DIRECTORY_SEPARATOR);
 
 // Ensure the current directory is pointing to the front controller's directory
-chdir(FCPATH);
+if (getcwd() . DIRECTORY_SEPARATOR !== FCPATH) {
+    chdir(FCPATH);
+}
 
 /*
  *---------------------------------------------------------------