No call activated hook of nested components when root component of keep-alive has no activated hook.

[zhangzhonghe]

Version

3.0.0-rc.5

Reproduction link

https://zhangzhonghe.github.io/keep-alive-bug-2/test.html

Steps to reproduce

1, click link，open devTool.
2，you can see activated hook of the "two component" has not call when the "one component" has no activated hook.

What is expected?

the activated hook of the "two component" should be called.

What is actually happening?

has no called.