Use calculated template and save it for debugging

[jsturtevant]

After #430, the template was hard coded instead of using the calculated value. We also were not copying the file to the logs for debugging purposes.

[jsturtevant]

This fixes the failing GMSA tests on https://testgrid.k8s.io/sig-windows-master-release#capz-windows-master-serial-slow

[jsturtevant]

/test ls

[k8s-ci-robot]

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[jsturtevant]

/test pull-e2e-capz-windows-2022-extension-gmsa

[jsturtevant]

/test pull-e2e-capz-windows-2022-extension

[jsturtevant]

looks like it might need the fix from b55c971, not sure why sometimes it passes

[jsturtevant]

/test pull-e2e-capz-windows-2022-extension-gmsa

[jsturtevant]

docker hub was down yesterday when I ran these tests

/retest

[jsturtevant]

/assign @marosset @aravindhp

[marosset]

/lgtm

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: jsturtevant, marosset

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