Expose Azure Front Door profile ID output

[Irakli Gabisonia (gabisonia)]

Description

Azure Front Door consumers currently need a custom provisioning output to reference the profile's resource ID, for example when configuring diagnostic settings. Expose AzureFrontDoorResource.Id as a BicepOutputReference and emit the profile's id output so dependent infrastructure can use the standard reference APIs.

Fixes #19960

User-facing usage

Pass the profile ID to another Bicep module from a C# AppHost:

var frontDoor = builder.AddAzureFrontDoor("frontdoor");
builder.AddAzureInfrastructure("consumer", infrastructure =>
{
    infrastructure.Add(new ProvisioningOutput("frontDoorId", typeof(string))
    {
        Value = frontDoor.Resource.Id.AsProvisioningParameter(infrastructure)
    });
});

The Front Door template emits output id string = frontdoor.id. The consumer's manifest references {frontdoor.outputs.id}. This uses the existing C# provisioning API; AsProvisioningParameter is not available in polyglot AppHosts.

Validation

• All 14 AzureFrontDoorTests passed, with quarantined and outerloop tests excluded.
• Reviewed Bicep snapshots for zero, one, and multiple origins, plus the dependent module's manifest and Bicep.
• git diff --check passed.
• No live Azure deployment was performed.

Checklist

• Is this feature complete?
  • Yes. Ready to ship.
  • No. Follow-up changes expected.
• Are you including unit tests for the changes and scenario tests if relevant?
  • Yes
  • No
• Did you add public API?
  • Yes
    • If yes, did you have an API Review for it?
      • Yes
      • No
    • Did you add <remarks /> and <code /> elements on your triple slash comments?
      • Yes
      • No
  • No
• Does the change make any security assumptions or guarantees?
  • Yes
    • If yes, have you done a threat model and had a security review?
      • Yes
      • No
  • No

[github-actions]

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