What

Sorry, another fix for !18191 (merged). I've thought I've tested it...

Why

Otherwise, the --ignore-topics argument is added even when it was not provided in the tezt-cloud command line

[12:45:54.498] [producer-dal-node-11] /tmp/tezt-runners/./octez-dal-node run --verbose --data-dir /tmp/tezt-97/1/producer-dal-node-11 --endpoint http://34.52.158.121:30002 --rpc-addr 0.0.0.0:30005 --net-addr 0.0.0.0:30006 --metrics-addr 0.0.0.0:30007 --ignore-topics 
[12:45:54.777] [producer-dal-node-11] octez-dal-node: option '--ignore-topics' needs an argument