Constructs a new MenuLinkFormController object.
string $operation: The name of the current operation.
\Drupal\Core\Path\AliasManagerInterface $path_alias_manager: The path alias manager.
Overrides EntityFormController::__construct
public function __construct($operation, AliasManagerInterface $path_alias_manager) {
parent::__construct($operation);
$this->pathAliasManager = $path_alias_manager;
}