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

app/javascript/widget/api/specs/endPoints.spec.js

@@ -47,6 +47,10 @@ describe('#getConversation', () => {
 
 describe('#triggerCampaign', () => {
   it('should returns correct payload', () => {
+    const spy = jest.spyOn(global, 'Date').mockImplementation(() => ({
+      toString: () => 'mock date',
+    }));
+    const windowSpy = jest.spyOn(window, 'window', 'get');
     const websiteToken = 'ADSDJ2323MSDSDFMMMASDM';
     const campaignId = 12;
     expect(
@@ -60,11 +64,18 @@ describe('#triggerCampaign', () => {
         name: 'campaign.triggered',
         event_info: {
           campaign_id: campaignId,
+          referer: '',
+          initiated_at: {
+            timestamp: 'mock date',
+          },
         },
       },
       params: {
         website_token: websiteToken,
       },
     });
+    windowSpy.mockRestore();
+
+    spy.mockRestore();
   });
 });