How to Set a Default Image in Laravel Filament FileUpload?

Forms\Components\FileUpload::make('banner')
    ->disk('banner')
    ->directory('banner')
    ->image()
    ->imageEditor()
    ->maxSize(3072) // 3MB limit
    ->acceptedFileTypes(['image/jpeg', 'image/png', 'image/webp'])
    ->formatStateUsing(fn($state) => $state ?? ['banner/banner.png']) // Default banner image
    ->validationMessages([
        'banner.dimensions' => __('validationBannerDimensions'),
        'banner.max' => __('validationBannerMax'),
    ])
    ->rules([
        'dimensions:min_width=500,min_height=500,max_width=1000,max_height=1000'
    ])
    ->helperText(__('validationBannerHelperMsg')),