refactor: decouple Node and NodeData (#22581)

Signed-off-by: -LAN- <laipz8200@outlook.com>
Co-authored-by: QuantumGhost <obelisk.reg+git@gmail.com>

api/tests/integration_tests/workflow/nodes/test_tool.py

@@ -50,13 +50,15 @@ def init_tool_node(config: dict):
         conversation_variables=[],
     )
 
-    return ToolNode(
+    node = ToolNode(
         id=str(uuid.uuid4()),
         graph_init_params=init_params,
         graph=graph,
         graph_runtime_state=GraphRuntimeState(variable_pool=variable_pool, start_at=time.perf_counter()),
         config=config,
     )
+    node.init_node_data(config.get("data", {}))
+    return node
 
 
 def test_tool_variable_invoke():