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/applied_sla.rb

@@ -40,6 +40,23 @@ class AppliedSla < ApplicationRecord
                                         end
                                       }
   scope :missed, -> { where(sla_status: :missed) }
+
+  def push_event_data
+    {
+      id: id,
+      sla_id: sla_policy_id,
+      sla_status: sla_status,
+      created_at: created_at.to_i,
+      updated_at: updated_at.to_i,
+      sla_description: sla_policy.description,
+      sla_name: sla_policy.name,
+      sla_first_response_time_threshold: sla_policy.first_response_time_threshold,
+      sla_next_response_time_threshold: sla_policy.next_response_time_threshold,
+      sla_only_during_business_hours: sla_policy.only_during_business_hours,
+      sla_resolution_time_threshold: sla_policy.resolution_time_threshold
+    }
+  end
+
   private
 
   def ensure_account_id