Filter phone numbers result (#227)

Co-authored-by: eglehelms <e.helms@cognigy.com>
Co-authored-by: Hoan Luu Huu <110280845+xquanluu@users.noreply.github.com>

lib/routes/api/phone-numbers.js

@@ -120,6 +120,9 @@ router.get('/:sid', async(req, res) => {
         throw new DbErrorBadRequest('insufficient privileges');
       }
     }
+    if (req.user.hasAccountAuth && results.length > 1) {
+      return res.status(200).json(results.filter((r) => r.phone_number_sid === sid)[0]);
+    }
     return res.status(200).json(results[0]);
   }
   catch (err) {