refactor: simplify alias handling in format rules #28894

Job	Run time
Format	1m 1s
Coverage (5.1.x)	9m 41s
Nix (macos-latest)	1m 52s
Build (macos-latest, 5.1.x)	15m 7s
Nix (ubuntu-latest)	58s
Build (ubuntu-latest, 5.1.x)	8m 56s
Build microbenchmarks	3m 18s
Coq 8.16.1	7m 22s
Build (ocaml-variants.5.3.0+trunk, ubuntu-latest, true)	5m 7s
Build (4.14.x, ubuntu-latest, true)	1m 51s
Create local opam switch (macos-latest, 5)	7m 45s
Documentation	50s
Build (4.14.x, macos-latest, true)	2m 52s
Create local opam switch (macos-latest, 4.14)	5m 34s
Build monorepo benchmark docker image	3m 37s
Build (5.1.x, macos-13, true)	4m 17s
Create local opam switch (ubuntu-latest, 5)	5m 3s
Build (ocaml-base-compiler.4.14.2,system-msvc, windows-latest)	15m 58s
Create local opam switch (ubuntu-latest, 4.14)	4m 47s
Build (ocaml-base-compiler.5.1.1,system-mingw, windows-latest)	10m 18s
Build (4.08.x, ubuntu-latest, true)	1m 31s
Build (4.04.x, ubuntu-latest, true, true)	4m 48s
Build (4.02.x, ubuntu-latest, true)	4m 10s
	2h 6m 43s

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