fix: app model config detached in completion thread (#1366)

api/services/completion_service.py

@@ -142,7 +142,7 @@ class CompletionService:
             'flask_app': current_app._get_current_object(),
             'generate_task_id': generate_task_id,
             'detached_app_model': app_model,
-            'app_model_config': app_model_config,
+            'app_model_config': app_model_config.copy(),
             'query': query,
             'inputs': inputs,
             'detached_user': user,
@@ -284,7 +284,7 @@ class CompletionService:
             'flask_app': current_app._get_current_object(),
             'generate_task_id': generate_task_id,
             'detached_app_model': app_model,
-            'app_model_config': app_model_config,
+            'app_model_config': app_model_config.copy(),
             'query': message.query,
             'inputs': message.inputs,
             'detached_user': user,