* Add setup_number for step 1 and step 2

* Get rid of dawn_setup_number, replace with setup_number

* Add setup_number to ChooseSearchView

* Add setup_number to ChooseDefaultSearchView. TODO: Add trial setup pings 2, and 3

* Add back in subscriptionType ping param...

* Update setup_number to use fetchSearchEnginesAsync value for other dropdown list

* Update setSetupStep setup_numbers

* Move user to success screen if they get redirected to checkout-web in a new tab

* Add setupStep constants to Step 4 and update BlockSettingsView renderHelpers

* One liner onClick handlers

* Change setup_number to dawn_setup_number

* Add list of possible search engines, minus SEARCH_ENCRYPT and update dawn_setup_numbers