The alert sound and the read/unread status are missing.

[cjo123]

Checklist

• [X] I've searched for similar issues and couldn't find anything matching
• [X] I've discussed this feature request in the OpenIMSDK Slack and got positive feedback

Is this feature request related to a problem?

None

Problem Description

The computer does not have an alert sound and red dot indicating read/unread status when receiving messages, and there are no read/unread labels in the chat bar.

Solution Description

无

Benefits

无

Potential Drawbacks

No response

Additional Information

No response

[Bloomingg]

This is just a simple demo used to demonstrate the integration and usage of the SDK. We also welcome you to submit pull requests to add new features.