sidebar.showBadge() and sidebar.showNotification() not support

I have tried `https://eaf-sdk.webex.com/samples` with Webex Desktop, but those two features are not supported.
Please add support for those two features.

<img width="918" height="398" alt="Image" src="https://github.com/user-attachments/assets/56135e22-ed12-4e7c-a6e9-48b21f7f4f41" />