Bastion NSG Conditional Deployment

[4pplied]

Overview/Summary

Adding a if condition for the Bastion NSG to be deployed if the parAzBastionEnabled is set to true.

This PR fixes/adds/changes/removes

1. if condition for Bastion NSG to be deployed if Bastion Enablement is set to true.

Breaking Changes

1. N/A

Testing Evidence

As part of this Pull Request I have

• Read the Contribution Guide and ensured this PR is compliant with the guide
• Ensured the resource API versions in .bicep file/s I am adding/editing are using the latest API version possible
• Checked for duplicate Pull Requests
• Associated it with relevant GitHub Issues
• (ALZ Bicep Core Team Only) Associated it with relevant ADO Items
• Ensured my code/branch is up-to-date with the latest changes in the main branch
• Performed testing and provided evidence.
• Updated one or more of the following tests (if required)
  • Unit
  • Linting
  • E2E (End-To-End)
  • ValidateAzCloud (Base validation in Azure Cloud)
  • ValidateMcCloud (Base validation in Azure China Cloud)
• Updated relevant and associated documentation (e.g. Contribution Guide, Module READMEs, Wiki Docs etc.)
• If relevant, created or updated Code Tours here

[4pplied]

One to note is that the Hub Virtual Network has a dependsOn for the NSG. I tested the if condition for parAzBastionEnabled to be false and all deployed still fine as screenshots above.