fix(@angular/build): prevent IIFE wrapper interleaving for adjacent c… #4036

Job	Run time
list	34s
workflow (build-cli)	1m 41s
workflow (build-unit-tests)	2m 21s
workflow (devkit-core-tests-rerun)	1m 32s
workflow (modules-builder-tests)	1m 58s
workflow (devkit-core-tests)	1m 23s
	9m 29s

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