Fix root folder not being saved to Db if nessesary (#14819)

* Fix root folder not being saved to Db if nessesary

* Always update folder to Db

Emby.Server.Implementations/Library/LibraryManager.cs

@@ -826,6 +826,7 @@ namespace Emby.Server.Implementations.Library
 
             if (!folder.ParentId.Equals(rootFolder.Id))
             {
+                rootFolder.UpdateToRepositoryAsync(ItemUpdateType.MetadataImport, CancellationToken.None).GetAwaiter().GetResult();
                 folder.ParentId = rootFolder.Id;
                 folder.UpdateToRepositoryAsync(ItemUpdateType.MetadataImport, CancellationToken.None).GetAwaiter().GetResult();
             }