enhance Buffer.from to support (de)serialization roundtrip

[nektro]

pulled out of #13757 to merge independently

[robobun]

❌ @Jarred-Sumner, your commit 8a1c8c2 has 9 failures in #4518:

test/js/web/streams/streams.test.js - 1 failing on 🍎 14 x64

test/js/web/fetch/fetch-tcp-stress.test.ts - timeout on 🍎 14 aarch64

test/js/web/fetch/fetch-tcp-stress.test.ts - timeout on 🍎 14 x64

test/js/web/fetch/fetch-tcp-stress.test.ts - timeout on 🍎 13 x64

test/js/third_party/jsonwebtoken/async_sign.test.js - 1 failing on 🍎 14 x64

test/js/bun/http/bun-serve-static.test.ts - 6 failing on 🍎 13 aarch64

test/js/bun/http/fetch-file-upload.test.ts - 1 failing on 🪟 x64

test/cli/watch/watch.test.ts - 2 failing on 🪟 x64

test/cli/watch/watch.test.ts - 2 failing on 🪟 x64-baseline

test/bundler/bundler_compile.test.ts - 4 failing on 🪟 x64-baseline

test/bundler/bundler_compile.test.ts - 5 failing on 🪟 x64

test/bundler/bundler_compile.test.ts - 1 failing on 🐧 20.04 aarch64

test/cli/hot/watch.test.ts - 1 failing on 🪟 x64-baseline

test/cli/hot/watch.test.ts - 1 failing on 🪟 x64

test/bundler/bundler_edgecase.test.ts - 1 failing on 🪟 x64-baseline

test/bundler/bundler_edgecase.test.ts - 1 failing on 🪟 x64