Reworked Segment types into their cartesian forms #56196

Job	Run time
miri	10m 45s
toml	2m 1s
check-bevy-internal-imports	6s
build (windows-latest)	9m 9s
check-doc	10m 0s
build (ubuntu-latest)	6m 4s
check-missing-examples-in-docs	29s
ci	2m 35s
build (macos-latest)	4m 19s
run-examples-macos-metal	5m 23s
typos	8s
check-missing-features-in-docs	36s
markdownlint	1m 9s
check-compiles-no-std	1m 26s
check-compiles	5m 10s
build-wasm-atomics	1m 29s
build-wasm	54s
msrv	1m 23s
	1h 3m 6s

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