Fatal error in action causes shutdown to run with wrong/overwritten error handler

[kkmuffme]

If an action has a fatal the "finally" with "restore_error_handler"

action-scheduler/classes/abstracts/ActionScheduler_Abstract_QueueRunner.php

Line 115 in dba9377

restore_error_handler();

never runs.

This means that on shutdown the overwritten error handler is used, which throws - however since it's not in a try/catch block anymore now, this will fatal (= call the exception handler and exit)