* Enable ESLint no-unused-vars
* Use FastImage instead of Image
* Update fast-image patch to support multiple cookies
* Fix ESLint errors
* Have jest run timers for post_textbox tests
* Feedback review
* Update snapshots
* MM-19037 Updated Progressive Image Loader
Set the return for the listener to return a null for hte loader images, stopping the component from thinking it had a loaded image on a failure.
Also enabled the thumbnail to make an additional attempt to load when it receives the null response.
* MM-19037 Updated Eslint
Eslint issue resolved
* MM-19037 Add Unit Tests
Added Unit tests
* empty commit
