fix: Add a check for 24 hour window before sending a message (#1084)

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

app/models/channel/twilio_sms.rb

@@ -30,6 +30,10 @@ class Channel::TwilioSms < ApplicationRecord
 
   has_one :inbox, as: :channel, dependent: :destroy
 
+  def has_24_hour_messaging_window?
+    true
+  end
+
   def name
     'Twilio SMS'
   end