feat: Add business hours in downloadable reports (#4674)

Co-authored-by: Aswin Dev P.S <aswindevps@gmail.com>

app/javascript/dashboard/helper/specs/downloadHelper.spec.js

@@ -5,5 +5,9 @@ describe('#generateFileName', () => {
     expect(generateFileName({ type: 'csat', to: 1652812199 })).toEqual(
       'csat-report-17-05-2022.csv'
     );
+
+    expect(
+      generateFileName({ type: 'csat', to: 1652812199, businessHours: true })
+    ).toEqual('csat-report-17-05-2022-business-hours.csv');
   });
 });