Remove warning for children in UI hierarchies without Style (#15736) #802

Job	Run time
build (windows-latest)	8m 53s
check-bevy-internal-imports	4s
build (ubuntu-latest)	4m 25s
check-doc	11m 41s
build (macos-latest)	3m 14s
check-missing-examples-in-docs	31s
ci	4m 47s
miri	10m 25s
run-examples-macos-metal	5m 32s
toml	1m 54s
typos	6s
check-missing-features-in-docs	35s
markdownlint	1m 3s
check-compiles	6m 39s
build-wasm-atomics	1m 50s
build-wasm	1m 43s
msrv	1m 50s
	1h 5m 12s

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