fix(@angular/build): maintain media output hashing with vitest unit-t… #8562

Job	Run time
lint	2m 6s
build-e2e-windows	3m 46s
build	3m 23s
test	2m 33s
Browser Compatibility Tests	2m 31s
publish-snapshots	2m 30s
e2e-windows (windows-2025, 22, npm, 1)	2m 5s
e2e-windows (windows-2025, 22, esbuild, 0)	2m 4s
e2e-windows (windows-2025, 22, npm, 2)	2m 8s
e2e-windows (windows-2025, 22, npm, 5)	2m 0s
e2e-windows (windows-2025, 22, npm, 0)	2m 5s
e2e-windows (windows-2025, 22, npm, 3)	2m 8s
e2e-windows (windows-2025, 22, esbuild, 3)	2m 5s
e2e-windows (windows-2025, 22, npm, 4)	2m 1s
e2e-windows (windows-2025, 22, esbuild, 2)	2m 7s
e2e-windows (windows-2025, 22, esbuild, 1)	2m 8s
e2e-windows (windows-2025, 22, esbuild, 5)	2m 7s
e2e-windows (windows-2025, 22, esbuild, 4)	2m 6s
e2e-package-managers	1s
e2e-snapshots	1s
e2e	1s
	41m 56s

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