feat: path_shorten using extmarks #2270

Job	Run time
unit-tests (macos-latest, nightly)	2m 15s
unit-tests (ubuntu-latest, v0.11.4)	1m 9s
unit-tests (windows-latest, nightly)	3m 44s
unit-tests (ubuntu-latest, puc-lua)	1m 21s
unit-tests (macos-latest, v0.11.4)	2m 15s
unit-tests (ubuntu-latest, nightly)	1m 9s
unit-tests (windows-latest, v0.11.4)	4m 13s
	16m 6s

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