fix: Use WhatsApp profile name for contacts created via Twilio (#12105)

- Use `ProfileName` parameter from Twilio WhatsApp webhooks when
creating contacts
- Fall back to formatted phone number for regular SMS contacts

app/services/twilio/incoming_message_service.rb

@@ -88,12 +88,16 @@ class Twilio::IncomingMessageService
 
   def contact_attributes
     {
-      name: formatted_phone_number,
+      name: contact_name,
       phone_number: phone_number,
       additional_attributes: additional_attributes
     }
   end
 
+  def contact_name
+    params[:ProfileName].presence || formatted_phone_number
+  end
+
   def additional_attributes
     if twilio_channel.sms?
       {