fix(@angular/cli): improve list_projects MCP tool to find all workspa… #1775

Job	Run time
list	24s
workflow (build-cli)	1m 36s
workflow (modules-builder-tests)	1m 56s
workflow (devkit-core-tests)	1m 30s
workflow (build-unit-tests)	2m 26s
workflow (devkit-core-tests-rerun)	1m 31s
	9m 23s

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