[tree view] when child is selected and parent is collapsed, the parent node sometimes displays as unselected #19191
Description
Steps to reproduce
Steps:
- Open this link to live example: https://stackblitz.com/edit/wnj5a88b-evgtfe5s?file=src%2FDemo.tsx
- Expand
Data Grid - Click the checkbox of a child item
- Collapse
Data Grid - Expand another top level node.
Current behavior
The parent checkbox appears to be unchecked.
Here is a video demonstration of the current behavior:
https://github.com/user-attachments/assets/e6af68b6-e752-45b9-828c-fdae3fc307cc
Expected behavior
The parent checkbox should retain an indeterminate or checked state based on child selections.
Context
No response
Your environment
npx @mui/envinfo
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Output from `npx @mui/envinfo` goes here.
Search keywords: treeview indeterminate state