[DashboardLayout] Support customizing the Expand/Collpase button in the sidebar

### Summary

User request: I want to change some state in the react js when sidebar open and close. I can handle that only when clicking the toggle button. But currently its not customizable.

https://discord.com/channels/1131323012554174485/1248515176626524200/1376907740794064946

### Examples

_No response_

### Motivation

_No response_

**Search keywords**: sidebar