fix(@angular/ssr): handle platform destruction during rendering #2849

Job	Run time
list	37s
workflow (modules-builder-tests)	1m 58s
workflow (build-cli)	1m 43s
workflow (devkit-core-tests-rerun)	1m 27s
workflow (devkit-core-tests)	1m 28s
workflow (build-unit-tests)	2m 35s
	9m 48s

Provide feedback