Fix issues found when setting up cluster connect with SP

Author: EliiseS

articles/azure-arc/kubernetes/cluster-connect.md

@@ -99,7 +99,7 @@ A conceptual overview of this feature is available in [Cluster connect - Azure A
    - For an Azure AD application:
 
      ```azurecli
-     AAD_ENTITY_OBJECT_ID=$(az ad sp show --id <id> --query objectId -o tsv)
+     AAD_ENTITY_OBJECT_ID=$(az ad sp show --id <id> --query id -o tsv)
      ```
 
 1. Authorize the entity with appropriate permissions.
@@ -114,6 +114,7 @@ A conceptual overview of this feature is available in [Cluster connect - Azure A
 
      ```azurecli
      az role assignment create --role "Azure Arc Kubernetes Viewer" --assignee $AAD_ENTITY_OBJECT_ID --scope $ARM_ID_CLUSTER
+     az role assignment create --role "Azure Arc Enabled Kubernetes Cluster User Role" --assignee $AAD_ENTITY_OBJECT_ID --scope $ARM_ID_CLUSTER
      ```
 
 ### [Azure PowerShell](#tab/azure-powershell)