feat(@angular/ssr): support the standard Forwarded header #2116

Job	Run time
list	30s
workflow (build-unit-tests)	44s
workflow (build-cli)	33s
workflow (modules-builder-tests)	41s
workflow (devkit-core-tests)	46s
workflow (devkit-core-tests-rerun)	37s
	3m 51s

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