fix in inventory structure

gso/utils/workflow_steps.py

@@ -340,7 +340,7 @@ def run_checks_after_base_config(subscription: dict[str, Any]) -> LSOState:
     """Workflow step for running show commands after installing base config."""
     return {
         "playbook_name": "base_config_checks.yaml",
-        "inventory": {"all": {"hosts": {subscription["router"]["router_fqdn"]}}},
+        "inventory": {"all": {"hosts": {subscription["router"]["router_fqdn"]: None}}},
         "extra_vars": {"wfo_router_json": subscription},
     }