fix(@angular/build): remap metafile paths when workspace root is a sy… #10741

Job	Run time
build	55s
lint	54s
build-e2e-windows	49s
e2e-windows	1s
publish-snapshots	1s
Browser Compatibility Tests	1s
test	1s
e2e-snapshots	1s
e2e	1s
e2e-package-managers	1s
	2m 45s

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