TextInput afterStateUpdated() reactive weird behavior

 public static function form(Form $form): Form
    {
        return $form
            ->schema([
                Forms\Components\TextInput::make('name')->reactive()
                ->afterStateUpdated(function ($set, $state) {
                    $set('slug', Str::slug($state));
                }),
                Forms\Components\TextInput::make('slug')->required()->disabled(),
            ]);
    }

 public static function form(Form $form): Form
    {
        return $form
            ->schema([
                Forms\Components\TextInput::make('name')->reactive()
                ->afterStateUpdated(function ($set, $state) {
                    $set('slug', Str::slug($state));
                }),
                Forms\Components\TextInput::make('slug')->required()->disabled(),
            ]);
    }