crypto: make webcrypto aliasKeyFormat directional #7928

Job	Run time
Build slim tarball	1m 1s
aarch64-linux: Cache V8 build	23s
x86_64-linux: with shared libraries	31m 38s
x86_64-darwin: with shared libraries	39m 33s
aarch64-darwin: with shared libraries	26m 6s
aarch64-linux: with shared openssl-4.0.0	25m 11s
aarch64-linux: with shared openssl-3.0.20	25m 19s
aarch64-linux: with shared openssl-1.1.1w	25m 23s
aarch64-linux: with shared openssl-3.6.2	25m 59s
aarch64-linux: with shared openssl-3.5.6	25m 14s
aarch64-linux: with shared boringssl-0.20260526.0	25m 5s
	4h 10m 52s

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