chore: Add trace_type attribute to FlowToolComponent

src/backend/base/langflow/components/experimental/FlowTool.py

@@ -15,6 +15,7 @@ class FlowToolComponent(CustomComponent):
     display_name = "Flow as Tool"
     description = "Construct a Tool from a function that runs the loaded Flow."
     field_order = ["flow_name", "name", "description", "return_direct"]
+    trace_type = "tool"
 
     def get_flow_names(self) -> List[str]:
         flow_datas = self.list_flows()