feat: Conversation API to return applied_sla and sla_events (#9174)

* chore: Add sla_events to push_event_data

* chore: Return SLA details in the API

* chore: feature lock sla push event data

* Update _conversation.json.jbuilder

* chore: rubocop fixes

app/controllers/application_controller.rb

@@ -25,3 +25,4 @@ class ApplicationController < ActionController::Base
     }
   end
 end
+ApplicationController.include_mod_with('Concerns::ApplicationControllerConcern')