Trying to update the value for the `identity.type` argument for the `azurerm_container_group` resource throws error

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Terraform Version

1.9.8

AzureRM Provider Version

4.9.0

Affected Resource(s)/Data Source(s)

azurerm_container_group

Terraform Configuration Files

provider "azurerm" {
  features {}
}

resource "azurerm_resource_group" "example" {
  name     = "example-rg"
  location = "northeurope"
}

resource "azurerm_log_analytics_workspace" "example" {
  name                = "example-log"
  resource_group_name = azurerm_resource_group.example.name
  location            = azurerm_resource_group.example.location
}

resource "azurerm_container_group" "example" {
  name                = "example-ci"
  resource_group_name = azurerm_resource_group.example.name
  location            = azurerm_resource_group.example.location
  os_type             = "Linux"

  container {
    name   = "hello-world"
    image  = "mcr.microsoft.com/azuredocs/aci-helloworld:latest"
    cpu    = 1
    memory = 1

    ports {
      port     = 443
      protocol = "TCP"
    }
  }

  diagnostics {
    log_analytics {
      workspace_id  = azurerm_log_analytics_workspace.example.workspace_id
      workspace_key = azurerm_log_analytics_workspace.example.primary_shared_key
    }
  }

  # identity {
  #   type = "SystemAssigned"
  # }
}

Debug Output/Panic Output

╷
│ Error: updating Container Group (Subscription: "***"
│ Resource Group Name: "example-rg"
│ Container Group Name: "example-ci"): performing ContainerGroupsCreateOrUpdate: unexpected status 400 (400 Bad Request) with error: InvalidLogAnalytics: The log analytics setting is invalid. WorkspaceId and WorkspaceKey should not be null or empty.       
│
│   with azurerm_container_group.example,
│   on main.tf line 16, in resource "azurerm_container_group" "example":
│   16: resource "azurerm_container_group" "example" {
│
╵

Expected Behaviour

When uncommenting the identity block, Terraform should enable the system-assigned identity for the container group.

Actual Behaviour

When uncommenting the identity block, Terraform throws an error when trying to update the container group.

Steps to Reproduce

terraform init
terraform apply
Uncomment the identity block
terraform apply

Important Factoids

No response

References