Enable `clippy::ref_as_ptr` #40348

Job	Run time
build (windows-latest)	3m 40s
check-bevy-internal-imports	7s
build (ubuntu-latest)	2m 3s
check-cfg	52s
check-doc	7m 44s
build (macos-latest)	5m 6s
check-missing-examples-in-docs	30s
ci	3m 35s
miri	5m 47s
run-examples-macos-metal	4m 15s
toml	2m 7s
typos	4s
check-missing-features-in-docs	35s
markdownlint	1m 10s
check-compiles	4m 49s
build-wasm	41s
build-wasm-atomics	1m 18s
msrv	50s
	45m 13s

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