Updates to mark tickets billable, and keep track of which have been billed.

js/show_modals.js

@@ -0,0 +1,8 @@
+$(document).ready(function () {
+    $('.modal').each(function () {
+        const modalId = `#${$(this).attr('id')}`;
+        if (window.location.href.indexOf(modalId) !== -1) {
+            $(modalId).modal('show');
+        }
+    });
+});