test: update E2E tests to account for .ng.html template extension #1368

Job	Run time
e2e_windows (windows-2025, 22, npm, 0)	33s
e2e_windows (windows-2025, 22, npm, 1)	30s
e2e_windows (windows-2025, 22, npm, 2)	30s
e2e_windows (windows-2025, 22, npm, 3)	29s
lint	2m 39s
e2e_windows (windows-2025, 22, npm, 4)	32s
build	13s
e2e_windows (windows-2025, 22, npm, 5)	33s
e2e_windows (windows-2025, 22, esbuild, 0)	25s
e2e_windows (windows-2025, 22, esbuild, 1)	34s
e2e_windows (windows-2025, 22, esbuild, 2)	34s
e2e_windows (windows-2025, 22, esbuild, 3)	31s
e2e_windows (windows-2025, 22, esbuild, 4)	30s
e2e_windows (windows-2025, 22, esbuild, 5)	28s
Browser Compatibility Tests	0s
test	0s
publish-snapshots	0s
e2e	0s
e2e-package-managers	0s
e2e-snapshots	0s
	9m 1s

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