Import aliases from bicepconfig.json are not used in JSON generation

main.bicep

extension microsoftGraphV1_0

resource foo 'Microsoft.Graph/applications@v1.0' = {
  displayName: 'asdf'
  uniqueName: 'asdf'
}

bicepconfig.json

{
    "experimentalFeaturesEnabled": {
        "extensibility": true
    },
    "extensions": {
        "microsoftGraphV1_0": "br:mcr.microsoft.com/bicep/extensions/microsoftgraph/v1.0:0.1.8-preview"
    }
}

The generated output includes the import with name "MicrosoftGraph" instead of "microsoftGraphV1_0" as defined in bicepconfig.json:

{
  "$schema": "https://schema.management.azure.com/schemas/2019-04-01/deploymentTemplate.json#",
  "languageVersion": "2.1-experimental",
  "contentVersion": "1.0.0.0",
  "metadata": {
    "_EXPERIMENTAL_WARNING": "This template uses ARM features that are experimental. Experimental features should be enabled for testing purposes only, as there are no guarantees about the quality or stability of these features. Do not enable these settings for any production usage, or your production environment may be subject to breaking.",
    "_EXPERIMENTAL_FEATURES_ENABLED": [
      "Extensibility"
    ],
    "_generator": {
      "name": "bicep",
      "version": "0.30.23.60470",
      "templateHash": "1831071752215083999"
    }
  },
  "imports": {
    "MicrosoftGraph": {
      "provider": "MicrosoftGraph",
      "version": "0.1.8-preview"
    }
  },
  "resources": {
    "foo": {
      "import": "MicrosoftGraph",
      "type": "Microsoft.Graph/applications@v1.0",
      "properties": {
        "displayName": "asdf",
        "uniqueName": "asdf"
      }
    }
  }
}

Azure / bicep

Import aliases from bicepconfig.json are not used in JSON generation #15396