Filament: Editing file upload - not previewing

Forms\Components\FileUpload::make('ads_video')
    ->label('Ads Video')
    ->directory('banners/video')
    ->disk('public') // Matches filesystems.php
    ->visibility('public')
    ->afterStateUpdated(function ($state, $set) {
        $flag = !empty($state) && count( (array) $state) > 0;

        if ($flag) {
            $set('larger_display_screenshots', []);
            $set('smartphone_screenshots', []);
        }
    })
    ->acceptedFileTypes(['video/mp4', 'video/webm',])
    ->maxSize(50000) // 50MB
    ->helperText('Drag and drop video file to upload')