Open the custom page in a new browser tab.

<?php
//Livewire class component 

class ProductsPresentationCart extends Component
{
     public function viewPresentation() { 
        return redirect()->route('filament.admin.resources.products.view-product-       presentation');

    }
}

<?php
 //Filament custom page class 
class ProductPresentationView extends Page
{
    protected static string $resource = ProductResource::class;
    protected static string $view = 'filament.resources.product-resource.pages.product-presentation-view';

    protected static ?string $breadcrumb = 'Product Presentation View';
    protected ?string $heading = 'Product Presentation View';

    protected static ?string $navigationIcon = 'heroicon-o-clipboard-document-check';
}?>

<?php
<x-filament-panels::page target="_blank">
   @livewire('Products.ProductPresentationView')
</x-filament-panels::page>
?>