chore: fix message_integration (#3666)

Author: fengju0213

camel/toolkits/message_integration.py

@@ -170,6 +170,10 @@ def register_toolkits(self, toolkit: BaseToolkit) -> BaseToolkit:
         for tool in original_tools:
             method_name = tool.func.__name__
             enhanced_func = self._add_messaging_to_tool(tool.func)
+            enhanced_func = self._create_bound_method_wrapper(
+                enhanced_func,
+                toolkit,
+            )
             enhanced_methods[method_name] = enhanced_func
             setattr(toolkit, method_name, enhanced_func)
         original_get_tools_method = toolkit.get_tools