🐛 fix sending [] instead of null in createCallLogForPhoneNumber

Author: sjfrhafe

src/controllers/call-log.controller.ts

@@ -43,7 +43,7 @@ export class CallLogController {
           `Skipping call log for call id ${req.body.id}`,
           providerConfig.apiKey,
         );
-        res.status(200).send([]);
+        res.status(200).send(null);
         return;
       }