fixed issue in backblaze connection test

config/vuefilemanager.php

@@ -1,7 +1,7 @@
 <?php
 
 return [
-    'version' => '2.0.18',
+    'version' => '2.0.18.1',
 
     'is_demo' => env('APP_DEMO', false),
 

src/Domain/Settings/Actions/TestS3ConnectionAction.php

@@ -1,4 +1,5 @@
 <?php
+
 namespace Domain\Settings\Actions;
 
 use Storage;
@@ -20,6 +21,7 @@ class TestS3ConnectionAction
                     'region'     => $credentials->region,
                     'bucket'     => $credentials->bucket,
                     'endpoint'   => $credentials->endpoint,
+                    'visibility' => 'private',
                 ],
             ]);