refactor(@angular/cli): make list_projects tool resilient to symlink … #2114

Job	Run time
list	27s
workflow (modules-builder-tests)	1m 49s
workflow (devkit-core-tests-rerun)	1m 20s
workflow (build-unit-tests)	2m 21s
workflow (build-cli)	1m 44s
workflow (devkit-core-tests)	1m 23s
	9m 4s

Provide feedback