[Bug Report] tree:@current-change Sometimes it doesn't trigger correctly
Open
component: tree
type: bug
- Dominant language
- Vue
- Stars
- 54k
- Forks
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Description
### Element UI version
2.15.1
### OS/Browsers version
Chrome 91.0.4472.77
### Vue version
2.5.2
### Reproduction Link
https://github.com/liuning0406/test/blob/main/addSysDic.vue
### Steps to reproduce
1.tree在多层 dialog内
2. " default-expand-all"属性使用默认的false," show-checkbox " 为true
3.给tree添加current-change事件
4.有时候 父节点的全选全消不能触发子节点的current-change事件
5.将 default-expand-all 设置为true 或先展开节点 在点击父节点的选中框时可以触发子节点的current-change事件
### What is Expected?
点击父节点的选择框时,子节点也可以触发current-change事件,从而一次性提交所有改变项,减少服务器压力
### What is actually happening?
点击父节点选择框时,不会触发子节点的current-change事件,额外处理过于麻烦
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