Disabled autocomplete for datepicker (calendar) input field

Author: Vasilii Burlacu

lib/web/mage/calendar.js

@@ -379,6 +379,9 @@
                 .addClass('v-middle')
                 .text('') // Remove jQuery UI datepicker generated image
                 .append('<span>' + pickerButtonText + '</span>');
+
+            $(element).attr('autocomplete', 'off');
+
             this._setCurrentDate(element);
         },