fix(@angular/build): use an empty array as default value for vitest e… #8092

Job	Run time
lint	1m 7s
build	1m 7s
e2e_windows (windows-2025, 22, npm, 4)	57s
e2e_windows (windows-2025, 22, npm, 1)	39s
e2e_windows (windows-2025, 22, npm, 2)	54s
e2e_windows (windows-2025, 22, npm, 3)	59s
e2e_windows (windows-2025, 22, npm, 0)	51s
e2e_windows (windows-2025, 22, esbuild, 1)	46s
e2e_windows (windows-2025, 22, esbuild, 0)	51s
e2e_windows (windows-2025, 22, esbuild, 5)	53s
e2e_windows (windows-2025, 22, esbuild, 3)	58s
e2e_windows (windows-2025, 22, npm, 5)	53s
e2e_windows (windows-2025, 22, esbuild, 2)	51s
e2e_windows (windows-2025, 22, esbuild, 4)	53s
test	1s
Browser Compatibility Tests	1s
publish-snapshots	1s
e2e	1s
e2e-package-managers	1s
e2e-snapshots	1s
	12m 45s

Provide feedback