chore: fix sla email notifications (#9192)

Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>

enterprise/app/mailers/enterprise/agent_notifications/conversation_notifications_mailer.rb

@@ -29,4 +29,10 @@ module Enterprise::AgentNotifications::ConversationNotificationsMailer
     @action_url = app_account_conversation_url(account_id: @conversation.account_id, id: @conversation.display_id)
     send_mail_with_liquid(to: @agent.email, subject: "Conversation [ID - #{@conversation.display_id}] missed SLA for resolution time") and return
   end
+
+  def liquid_droppables
+    super.merge({
+                  sla_policy: @sla_policy
+                })
+  end
 end

enterprise/app/services/sla/evaluate_applied_sla_service.rb

@@ -50,6 +50,7 @@ class Sla::EvaluateAppliedSlaService
   end
 
   def get_last_message_id(conversation)
+    # TODO: refactor the method to fetch last message without reply
     conversation.messages.where(message_type: :incoming).last&.id
   end