r2 backport

Author: taylorotwell

src/Illuminate/Filesystem/FilesystemManager.php

@@ -316,6 +316,10 @@ protected function createFlysystem(FlysystemAdapter $adapter, array $config)
             $adapter = new PathPrefixedAdapter($adapter, $config['prefix']);
         }
 
+        if (str_contains($config['endpoint'] ?? '', 'r2.cloudflarestorage.com')) {
+            $config['retain_visibility'] = false;
+        }
+
         return new Flysystem($adapter, Arr::only($config, [
             'directory_visibility',
             'disable_asserts',