datepicker: fix accidentally removed icon from scss

app/styles/components/datepicker.scss

@@ -143,6 +143,6 @@
 .react-datepicker__close-icon::after {
   @apply bg-transparent text-gray-600 dark:text-gray-400 text-base;
   font-family: 'Font Awesome 5 Free';
-  content: '';
+  content: '';
   font-weight: 900;
 }