test(@angular/build): add E2E test for Vitest custom browser configur… #10321

Job	Run time
build	1m 7s
build-e2e-windows	1m 13s
lint	59s
e2e-windows	1s
test	1s
Browser Compatibility Tests	1s
e2e-snapshots	1s
publish-snapshots	1s
e2e	1s
e2e-package-managers	1s
	3m 26s

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