refactor(@angular/cli): use .html as template extension for mcp moder… #1790

Job	Run time
lint	2m 12s
e2e_windows (windows-2025, 22, npm, 0)	38s
build	14s
e2e_windows (windows-2025, 22, npm, 1)	34s
e2e_windows (windows-2025, 22, npm, 3)	45s
e2e_windows (windows-2025, 22, npm, 2)	35s
e2e_windows (windows-2025, 22, esbuild, 0)	29s
e2e_windows (windows-2025, 22, npm, 4)	33s
e2e_windows (windows-2025, 22, esbuild, 3)	33s
e2e_windows (windows-2025, 22, esbuild, 1)	45s
e2e_windows (windows-2025, 22, npm, 5)	50s
e2e_windows (windows-2025, 22, esbuild, 2)	36s
e2e_windows (windows-2025, 22, esbuild, 5)	37s
e2e_windows (windows-2025, 22, esbuild, 4)	41s
e2e-snapshots	0s
test	0s
e2e-package-managers	0s
publish-snapshots	0s
Browser Compatibility Tests	0s
e2e	0s
	10m 2s

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