magento#22795: Static test fix.

Author: p-bystritsky

app/code/Magento/Search/view/frontend/web/js/form-mini.js

@@ -130,14 +130,14 @@ define([
          */
         setActiveState: function (isActive) {
             var searchValue;
-            
+
             this.searchForm.toggleClass('active', isActive);
             this.searchLabel.toggleClass('active', isActive);
 
             if (this.isExpandable) {
                 this.element.attr('aria-expanded', isActive);
                 searchValue = this.element.val();
-                this.element.val("");
+                this.element.val('');
                 this.element.val(searchValue);
             }
         },