refactor(@angular/cli): deduplicate search roots for MCP projects tool #3343

Job	Run time
list	25s
workflow (build-unit-tests)	2m 22s
workflow (devkit-core-tests-rerun)	1m 30s
workflow (build-cli)	1m 44s
workflow (devkit-core-tests)	1m 28s
workflow (modules-builder-tests)	2m 2s
	9m 31s

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