Chore: Improve conversation auto resolution (#3405)

Fixes: #1583

spec/jobs/trigger_scheduled_items_job_spec.rb

@@ -25,5 +25,10 @@ RSpec.describe TriggerScheduledItemsJob, type: :job do
       expect(Conversations::ReopenSnoozedConversationsJob).to receive(:perform_later).once
       described_class.perform_now
     end
+
+    it 'triggers Account::ConversationsResolutionSchedulerJob' do
+      expect(Account::ConversationsResolutionSchedulerJob).to receive(:perform_later).once
+      described_class.perform_now
+    end
   end
 end