refactor(server): simplify :method POST check #2187

Job	Run time
Build & test (ubuntu-latest, 1.74.0, debug)	10m 6s
Build & test (ubuntu-latest, stable, debug)	10m 8s
Build & test (ubuntu-latest, nightly, debug)	10m 12s
Build & test (macos-14, 1.74.0, debug)	10m 5s
Build & test (macos-14, stable, debug)	8m 25s
Build & test (macos-14, nightly, debug)	9m 56s
Build & test (windows-latest, 1.74.0, debug)	19m 53s
Build & test (windows-latest, stable, debug)	19m 34s
Build & test (windows-latest, nightly, debug)	21m 10s
Build & test (ubuntu-latest, stable, release)	16m 4s
Benchmark / Benchmark	31m 36s
	2h 47m 9s

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