Bug fix in Dropbox file disk creation. Applies disk path.

app/Providers/DropboxServiceProvider.php

@@ -2,6 +2,7 @@
 
 namespace App\Providers;
 
+use Illuminate\Filesystem\FilesystemAdapter;
 use Illuminate\Support\Facades\Storage;
 use Illuminate\Support\ServiceProvider;
 use League\Flysystem\Filesystem;
@@ -28,7 +29,11 @@ class DropboxServiceProvider extends ServiceProvider
                 $config['token']
             );
 
-            return new Filesystem(new DropboxAdapter($client));
+            $root = trim($config['root'] ?? '', '/');
+            $adapter = new DropboxAdapter($client, $root);
+            $flysystem = new Filesystem($adapter);
+
+            return new FilesystemAdapter($flysystem, $adapter, $config);
         });
     }
 }