nwjs Helper(renderer) not be killed if the nwjs app is forced quited by crash

[Guocover]

NWJS Version : 0.47+ and above can be reproduced
Operating System : macOs 11.2.3

Expected behavior

nwjs Helper(renderer) should be killed if the nwjs app is forced quited by crash

Actual behavior

some User feedback that our app will residual processes, this processes take up a lot of cpu and memory

How to reproduce

crash.zip
there is a demo, In the beginning, the process was like this

and click the crash button will call nw.App.crashBrowser() to mock crash behavior

now the the process was like this

[zoswing]

解决了么老哥