fix: gateway /model also needs normalize_provider for 'auto' resolution

gateway/run.py

@@ -1321,6 +1321,7 @@ class GatewayRunner:
             parse_model_input,
             validate_requested_model,
             curated_models_for_provider,
+            normalize_provider,
             _PROVIDER_LABELS,
         )
 
@@ -1343,6 +1344,8 @@ class GatewayRunner:
         except Exception:
             pass
 
+        current_provider = normalize_provider(current_provider)
+
         if not args:
             provider_label = _PROVIDER_LABELS.get(current_provider, current_provider)
             lines = [