Multiple flaky test failures in create_and_destroy, omnitools

[github-actions]

Flaky tests were detected in this test run. This means that there was a failure that was cleared when the tests were simply restarted.
Failures:

omnitools: Expected 1 to be equal to 0. Machine frame's wires were not cut by the borg omnitool wirecutters! at code/modules/unit_tests/omnitools.dm:29
create_and_destroy: /obj/item/borg/cyborg_omnitool/engineering hard deleted 1 times out of a total del count of 4 at code/modules/unit_tests/create_and_destroy.dm:99