Issue #1886220 by damiankloip: Fixed views-admin.js 'select all' unchecking broken .

core/modules/views/views_ui/js/views-admin.js

@@ -866,7 +866,7 @@ Drupal.behaviors.viewsFilterConfigSelectAll.attach = function(context) {
   // Uncheck the select all checkbox if any of the others are unchecked.
   $('#views-ui-config-item-form div.form-type-checkbox').not($('.form-item-options-value-all')).find('input[type=checkbox]').each(function() {
     $(this).click(function() {
-      if ($(this).is('checked') === 0) {
+      if ($(this).is('checked') === false) {
         $('#edit-options-value-all').removeAttr('checked');
       }
     });