Mutate Observer #52028

Job	Run time
build (windows-latest)	7m 22s
check-bevy-internal-imports	8s
check-doc	10m 54s
build (ubuntu-latest)	3m 35s
build (macos-latest)	2m 59s
check-missing-examples-in-docs	34s
ci	42s
miri	11m 32s
run-examples-macos-metal	6m 8s
typos	8s
toml	1m 59s
check-missing-features-in-docs	37s
check-compiles-no-std	0s
check-compiles	0s
markdownlint	1m 13s
msrv	1m 1s
build-wasm	1m 0s
build-wasm-atomics	1m 28s
	51m 20s

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