chore: Move Twilio event processing to background job (#11094)

- Twilio events were being processed synchronously, leading to slow API
responses.
- This change moves Twilio event processing to a background job to
improve performance and align with how other events (e.g., WhatsApp) are
handled.

---------

Co-authored-by: Pranav <pranav@chatwoot.com>

spec/jobs/webhooks/twilio_delivery_status_job_spec.rb

@@ -0,0 +1,26 @@
+require 'rails_helper'
+
+RSpec.describe Webhooks::TwilioDeliveryStatusJob do
+  subject(:job) { described_class.perform_later(params) }
+
+  let(:params) do
+    {
+      'MessageSid' => 'SM123',
+      'MessageStatus' => 'delivered',
+      'AccountSid' => 'AC123'
+    }
+  end
+
+  it 'queues the job' do
+    expect { job }.to have_enqueued_job(described_class)
+      .with(params)
+      .on_queue('low')
+  end
+
+  it 'calls the Twilio::DeliveryStatusService' do
+    service = double
+    expect(Twilio::DeliveryStatusService).to receive(:new).with(params: params).and_return(service)
+    expect(service).to receive(:perform)
+    described_class.new.perform(params)
+  end
+end

spec/jobs/webhooks/twilio_events_job_spec.rb

@@ -0,0 +1,28 @@
+require 'rails_helper'
+
+RSpec.describe Webhooks::TwilioEventsJob do
+  subject(:job) { described_class.perform_later(params) }
+
+  let(:params) do
+    {
+      'From' => '+1234567890',
+      'To' => '+0987654321',
+      'Body' => 'Test message',
+      'AccountSid' => 'AC123',
+      'SmsSid' => 'SM123'
+    }
+  end
+
+  it 'queues the job' do
+    expect { job }.to have_enqueued_job(described_class)
+      .with(params)
+      .on_queue('low')
+  end
+
+  it 'calls the Twilio::IncomingMessageService' do
+    service = double
+    expect(Twilio::IncomingMessageService).to receive(:new).with(params: params).and_return(service)
+    expect(service).to receive(:perform)
+    described_class.new.perform(params)
+  end
+end