[AZINTS] fix parent template at the subscription level

[ava-silver]

What does this PR do?

Fixes the parent template to be deployed at the subscription level

Motivation

Without this, we break the automatic ability to add a subscription level diagnostic setting

Testing Guidelines

Open the template link, edit and paste in the updated template.

Additional Notes

Types of changes

• Bug fix
• New feature
• Breaking change
• Misc (docs, refactoring, dependency upgrade, etc.)

Check all that apply

• This PR's description is comprehensive
• This PR contains breaking changes that are documented in the description
• This PR introduces new APIs or parameters that are documented and unlikely to change in the foreseeable future
• This PR impacts documentation, and it has been updated (or a ticket has been logged)
• This PR's changes are covered by the automated tests
• This PR collects user input/sensitive content into Datadog
• This PR passes the integration tests (ask a Datadog member to run the tests)
• This PR passes the unit tests
• This PR passes the installation tests (ask a Datadog member to run the tests)

[ava-silver]

• [AZINTS] fix parent template at the subscription level #936 👈 (View in Graphite)
• master

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