fix: Add missing referer & initiated_at.timestamp to events (#2920)

app/javascript/widget/api/events.js

@@ -1,9 +1,19 @@
 import { API } from 'widget/helpers/axios';
 import { buildSearchParamsWithLocale } from '../helpers/urlParamsHelper';
 
+export const generateEventParams = () => ({
+  initiated_at: {
+    timestamp: new Date().toString(),
+  },
+  referer: window.referrerURL || '',
+});
+
 export default {
   create(name) {
     const search = buildSearchParamsWithLocale(window.location.search);
-    return API.post(`/api/v1/widget/events${search}`, { name });
+    return API.post(`/api/v1/widget/events${search}`, {
+      name,
+      event_info: generateEventParams(),
+    });
   },
 };