Adding Support for Filtering Specific Subscription Id's to Include in ChildResource Discovery

[Jefajers]

Overview/Summary

This PR adds a new setting called Core.SubscriptionsToIncludeChildResource with a default value or ["*"].

If you have a need to specify which subscription id's AzOps limits child resource discovery to, specify the desired subscription id or id's ["66d96157-55b3-47f3-b9a1-171778f99f0e","8b03299b-5880-4b2e-b026-e24484110151"] .

This PR fixes/adds/changes/removes

1. Changes Frequently-Asked-Questions.md
2. Changes Settings.md
3. Changes Core.ps1
4. Changes Get-AzOpsResourceDefinition.ps1
5. Changes Repository.Tests.ps1
6. Changes azuredeploy.jsonc
7. Changes Functional.Tests.ps1

Breaking Changes

N/A

Testing Evidence

This logic has been manually tested in addition to this PR also contains an added automated testing step to ensure that the subscription Id filter behaves as intended.

As part of this Pull Request I have

• [x] Checked for duplicate Pull Requests
• [x] Associated it with relevant issues, for tracking and closure.
• [x] Ensured my code/branch is up-to-date with the latest changes in the main branch
• [x] Performed testing and provided evidence.
• [x] Updated relevant and associated documentation.

[Jefajers]

@jsandquist, what do you think about this addition based on our previous dialog?

[jsandquist]

Great work - I'll test it out in my environment.

[jsandquist]

Big thumbs up for this feature - works as expected when tested in my environment. Thank you! :-)