fix: bug ignored wrong number connected in the application

backend/src/controllers/WhatsAppController.ts

@@ -230,9 +230,9 @@ export const weebhook = async (
         req.body.entry[0].changes[0].value.metadata.display_phone_number;
       let type = message.type;
 
-      const contact_from_exist = await get("whatsapp:*", `${contact_from}`);
+      const contact_to_exist = await get("whatsapp:*", `${contact_to}`);
 
-      if (!contact_from_exist) {
+      if (contact_to_exist == null) {
         console.log(
           "WHATSAPP OFFICIAL",
           " | CONCTACT_FROM: ",