Add a way to define a default query for the DataTableType

[alexandre-castelain]

Description

This Merge Request introduces documentation for handling the query option in DataTables. It explains how to define a default query within a DataTableType and how to override or extend it from a controller, providing flexibility similar to the Symfony Form component.

Default definition:

class ProductDataTableType extends AbstractDataTableType 
{
    public function configureOptions(OptionsResolver $resolver): void
    {
        $resolver->setDefaults([
            'query' => $this->productRepository->createQueryBuilder('p'),
        ]);
    }
}

$dataTable = $this->createDataTable(ProductDataTableType::class);