add depth to world position #29517

Job	Run time
build (windows-latest)	4m 49s
build (ubuntu-latest)	3m 17s
build (macos-latest)	4m 26s
ci	2m 4s
check-doc	8m 34s
check-bevy-internal-imports	9s
check-missing-examples-in-docs	1m 1s
miri	7m 41s
run-examples-on-windows-dx12	22m 43s
check-missing-features-in-docs	57s
check-compiles	3m 0s
markdownlint	1m 24s
msrv	1m 9s
build-wasm	43s
	1h 1m 57s

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