omni-node: Tolerate failing metadata check #16465

Job	Run time
check-dependency-rules	11s
check-fail-ci	15s
check-markdown	16s
check-workspace	33s
check-readme	3m 29s
preflight / preflight	44s
preflight / ci-versions	1m 8s
check-rust-feature-propagation	2m 21s
fmt	1m 23s
check-toml-format	1m 5s
test-rust-features	2m 19s
check-umbrella	2m 25s
All quick checks passed	1s
	16m 10s

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