Fix gated models error

backend/app/utils/model_validation.py

@@ -287,7 +287,7 @@ class ModelValidator:
         except Exception as e:
             if gated:
                 return (
-                    True,
+                    False,
                     "The model is gated by the model authors and requires special access permissions. Please contact us to request evaluation.",
                     None,
                 )