fix(whatsapp): match create_message signature with 4.12.1 base class

Add source_id: keyword argument to WhatsApp Web service's
create_message override to match the base class signature.
Prevents ArgumentError when processing contact-type messages.

Author: milesibastos

app/services/whatsapp/incoming_message_whatsapp_web_service.rb

@@ -377,8 +377,8 @@ def create_regular_message(message)
 
   # Override to handle outgoing messages and group sender info
   # Also check for duplicate messages by source_id to prevent race conditions
-  def create_message(message)
-    source_id = message[:id].to_s
+  def create_message(message, source_id: nil)
+    source_id = (source_id || message[:id]).to_s
     existing_message = inbox.messages.find_by(source_id: source_id)
 
     if existing_message