[BUG] "Microsoft.Maintenance/configurationAssignments@2021-09-01-preview" location is not returned in GET response

[ms-henglu]

API Spec link

https://github.com/Azure/azure-rest-api-specs/blob/main/specification/maintenance/resource-manager/Microsoft.Maintenance/preview/2021-09-01-preview/Maintenance.json#L1910

API Spec version

2021-09-01-preview

Describe the bug

The field "location" is not returned in GET reponse

GET /subscriptions/000/resourceGroups/henglu425main/providers/Microsoft.Compute/virtualMachines/henglu425main/providers/Microsoft.Maintenance/configurationAssign
ments/henglu425main

{
    "id": "/subscriptions/000/resourceGroups/henglu425main/providers/Microsoft.Compute/virtualMachines/henglu425main/providers/Microsoft.Maintenance/configurationAssign
ments/henglu425main",
    "name": "henglu425main",
    "properties": {
        "maintenanceConfigurationId": "/subscriptions/000/resourcegroups/henglu425main/providers/microsoft.maintenance/maintenanceconfigurations/henglu425main",
        "resourceId": "/subscriptions/000/resourcegroups/henglu425main/providers/microsoft.compute/virtualmachines/henglu425main"
    },
    "type": "Microsoft.Maintenance/configurationAssignments"
}

Expected behavior

The location field should be returned in GET response

Actual behavior

The location field is not returned in GET response

Reproduction Steps

1. Create a "Microsoft.Maintenance/configurationAssignments@2021-09-01-preview" and set location in the create request.
2. Call GET request and check the location in response.

Environment

No response