Pass agent workflow kwargs into start event (#18747)

Author: logan-markewich

llama-index-core/llama_index/core/agent/workflow/multi_agent_workflow.py

@@ -561,11 +561,11 @@ def run(
                 user_msg=user_msg,
                 chat_history=chat_history,
                 memory=memory,
+                **kwargs,
             ),
             ctx=ctx,
             stepwise=stepwise,
             checkpoint_callback=checkpoint_callback,
-            **kwargs,
         )
 
     @classmethod