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

enterprise/app/models/sla_event.rb

@@ -31,9 +31,18 @@ class SlaEvent < ApplicationRecord
   enum event_type: { frt: 0, nrt: 1, rt: 2 }
 
   before_validation :ensure_applied_sla_id, :ensure_account_id, :ensure_inbox_id, :ensure_sla_policy_id
-
   after_create_commit :create_notifications
 
+  def push_event_data
+    {
+      id: id,
+      event_type: event_type,
+      meta: meta,
+      created_at: created_at.to_i,
+      updated_at: updated_at.to_i
+    }
+  end
+
   private
 
   def ensure_applied_sla_id