fix(@angular/build): conditionally manage Vitest UI option #609

Job	Run time
build-e2e-windows	24s
build	23s
lint	1m 48s
Browser Compatibility Tests	0s
publish-snapshots	0s
e2e-snapshots	0s
e2e	-1s
test	-1s
e2e-package-managers	-1s
e2e-windows	0s
	2m 32s

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