Add example flows to user flows

src/backend/langflow/api/v1/flows.py

@@ -62,6 +62,7 @@ def read_flows(
             flows = current_user.flows
 
         flows = validate_is_component(flows)
+        flow_ids = [flow.id for flow in flows]
         # with the session get the flows that DO NOT have a user_id
         try:
             example_flows = session.exec(
@@ -70,7 +71,7 @@ def read_flows(
                 )
             ).all()  # noqa
             for example_flow in example_flows:
-                if example_flow not in flows:
+                if example_flow.id not in flow_ids:
                     flows.append(example_flow)
         except Exception as e:
             logger.error(e)