fix(whatsapp): Improve phone number ID extraction for WhatsApp webhook payloads

- Update phone number ID extraction logic for linked IDs
- Set remoteJid to remoteJidAlt when "@lid" is present in key
- Ensure consistent phone number ID handling for different WhatsApp message types

Author: arthurbrenno

agentle/agents/whatsapp/models/whatsapp_webhook_payload.py

@@ -84,6 +84,7 @@ def model_post_init(self, context: Any, /) -> None:
         key = self.data.key
         if "@lid" in key.remoteJid:
             self.phone_number_id = key.remoteJidAlt.split("@")[0]
+            self.data.key.remoteJid = key.remoteJidAlt
             return
 
         self.phone_number_id = key.remoteJid.split("@")[0]