We clear the async id stack inside the uncaught exception handler and
emit `after` events in the process, so we should not emit `after`
a second time from the `runInAsyncScope()` code.
This should match the behaviour we have in C++.
Fixes: https://github.com/nodejs/node/issues/30080
PR-URL: https://github.com/nodejs/node/pull/30087
Reviewed-By: Gus Caplan <me@gus.host>
Reviewed-By: Anto Aravinth <anto.aravinth.cse@gmail.com>
