[backport#19507] Make ordering of zmq consumption irrelevant to functional test
Summary:
https://github.com/bitcoin/bitcoin/pull/19507/commits/e70512a83c69bc85e96b08ade725594eda3e230f
Depends on D7345
Partial backport of Core PR19507
Test Plan:
test_runner.py interface_zmq
Reviewers: #bitcoin_abc, deadalnix
Reviewed By: #bitcoin_abc, deadalnix
Differential Revision: https://reviews.bitcoinabc.org/D7346