[cpx-reporter] Add client-side business logic to event type payloads

[KamiQuasi]

Page object specifically needs client-side business logic to add the following fields:

previousPage, siteExperience, queryParameters

Reference - https://gitlab.cee.redhat.com/chhill/red_hat_analytics/-/blob/main/libraries/src/js/red_hat_analytics_eddl_top.es6.js