chore: Add message_echo listener for Facebook (#1192)

Co-authored-by: Sojan Jose <sojan@pepalo.com>

app/models/channel/twilio_sms.rb

@@ -30,11 +30,11 @@ class Channel::TwilioSms < ApplicationRecord
 
   has_one :inbox, as: :channel, dependent: :destroy
 
+  def name
+    medium == :sms ? 'Twilio SMS' : 'Whatsapp'
+  end
+
   def has_24_hour_messaging_window?
     true
   end
-
-  def name
-    'Twilio SMS'
-  end
 end