Revert nowAbsolute, add regression test #15413

Job	Run time
dependency-review	10s
Lint	39s
Test with Node.js 20 compiled --without-intl	4m 18s
Test with Node.js 22 compiled --without-intl	4m 36s
Fuzzing	3m 37s
Test with Node.js 23 compiled --without-intl	4m 19s
Test TypeScript types	36s
test (18, macos-latest) / Test with Node.js 18 on macos-latest	4m 13s
test (18, ubuntu-latest) / Test with Node.js 18 on ubuntu-latest	4m 21s
test (18, windows-latest) / Test with Node.js 18 on windows-latest	5m 55s
test (20, macos-latest) / Test with Node.js 20 on macos-latest	3m 52s
test (20, ubuntu-latest) / Test with Node.js 20 on ubuntu-latest	3m 33s
test (20, windows-latest) / Test with Node.js 20 on windows-latest	5m 13s
test (21, macos-latest) / Test with Node.js 21 on macos-latest	3m 56s
test (21, ubuntu-latest) / Test with Node.js 21 on ubuntu-latest	3m 20s
test (21, windows-latest) / Test with Node.js 21 on windows-latest	4m 35s
test (22, macos-latest) / Test with Node.js 22 on macos-latest	4m 12s
test (22, ubuntu-latest) / Test with Node.js 22 on ubuntu-latest	4m 12s
test (22, windows-latest) / Test with Node.js 22 on windows-latest	4m 54s
test (23, macos-latest) / Test with Node.js 23 on macos-latest	3m 25s
test (23, ubuntu-latest) / Test with Node.js 23 on ubuntu-latest	3m 32s
test (23, windows-latest) / Test with Node.js 23 on windows-latest	4m 37s
automerge	0s
	1h 22m 5s

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