adding close mobile filter method

opentech/apply/dashboard/templates/dashboard/dashboard.html

@@ -23,6 +23,7 @@
 
             <div class="wrapper wrapper--filters-header">
                 <div class="js-clear-filters">Clear</div>
+                <div class="js-close-filters">Close</div>
             </div>
 
             <form action="" method="get" class="form form--filters">

opentech/static_src/src/javascript/main.js

@@ -57,6 +57,12 @@ $(function () {
         $('.js-filter-list').addClass('form__filters--mobile');
     });
 
+    // close mobile filters
+    $('.js-close-filters').on('click', (e) => {
+        e.target.parentElement.parentElement.classList.remove('is-open');
+        $('.js-filter-list').removeClass('form__filters--mobile');
+    });
+
     // clear all filters
     $('.js-clear-filters').on('click', () =>{
         const dropdowns = document.querySelectorAll('.form__filters--mobile select');