fix(@angular/build): allow non-prefixed requests when using SSR and b… #2533

Job	Run time
lint	1m 51s
build	26s
build-e2e-windows	22s
e2e-windows	0s
Browser Compatibility Tests	0s
publish-snapshots	0s
e2e-snapshots	0s
test	0s
e2e-package-managers	0s
e2e	0s
	2m 39s

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