title: how to get laravel-admin grid query and search condition
body: <p>I want to get the SQL and search conditions built on the search screen of laravel-admin 
  to register in the DB.
  Because I can search under the same conditions.</p>
  
  <p>My question is "how to get search conditions like 'scheduled_date' at search result"
  grid code is below.
  I want to get search conditions at controller.
  Laravel version 6.18.3
  laravel-admin   1.7
  PHP             7.3.11</p>
  
  <pre><code>protected function grid($request)
  {
  $grid = new Grid(new Sms);
  $grid-&gt;column('customer_id', ('customer')); $grid-&gt;column('scheduled_date', ('SCHEDULED_DATE'))-&gt;sortable();
  
  $grid-&gt;expandFilter();
  $grid-&gt;filter(function($filter){
  $filter-&gt;disableIdFilter();
  
  $filter-&gt;between('scheduled_date', SCHEDULED_DATE)-&gt;date(300);
  
  });
  
  return $grid;
  }
  </code></pre>
  
  <p>please help!</p>