Tree-Select设置[nzCheckStrictly]="true"、[nzCheckable]="true"时，点击节点上的文字希望只勾选当前节点，不要关联整个分支的所有节点。

[W1821]

What problem does this feature solve?

提高用户体验度。有的时候误点击了一个节点，会导致上级节点被取消，需要重新勾选上级，体验度有点差

What does the proposed API look like?

Tree-Select设置[nzCheckStrictly]="true"、[nzCheckable]="true"时，点击节点上的文字希望只勾选当前节点，不要关联整个分支的所有节点。

[zorro-bot]

Translation of this issue:

When the Tree-Select setting [nzCheckStrictly] = "true", [nzCheckable] = "true", click on the text node wishes only check the current node, do not associate all the nodes of the entire branch.

What problem does this feature solve?

Improve the user experience. Sometimes mistakenly clicked a node, it will lead to a higher node is canceled, you need to re-check their superiors, to experience a bit of difference

What does the proposed API look like?

When the Tree-Select setting [nzCheckStrictly] = "true", [nzCheckable] = "true", click on the text node wishes only check the current node, do not associate all the nodes of the entire branch.