refactor(@angular/ssr): disable streaming when rendering SSG page #2011

Job	Run time
build	17s
lint	2m 9s
build-e2e-windows	19s
test	0s
publish-snapshots	0s
Browser Compatibility Tests	0s
e2e-package-managers	0s
e2e	0s
e2e-snapshots	0s
e2e-windows	0s
	2m 45s

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