TreeView组件选中bug

[henry-ll]

Is there an existing issue for this?

• I have searched the existing issues

Describe the bug

TreeView组件子节点如果有一项没有选中，收缩整个节点后再打开，所有节点都变成了不完全选中的状态

Expected Behavior

当子节点有某一个未选中，应该该节点的其他同级节点为选中状态，其父节点为不完全选中状态才对

Steps To Reproduce

No response

Exceptions (if any)

No response

.NET Version

.net8

Anything else?

No response

[bb-auto]

@henry-ll Thank you for filing this issue. In order for us to investigate this issue, please provide a minimalistic repro project that illustrates the problem.