[HOTFIX] Fix the duplicated printing in react agent.

[DavdGao]

Description

Fix the bug in react agent that prints the message twice when there is a response parsing error

Checklist

Please check the following items before code is ready to be reviewed.

• [x] Code has passed all tests
• [x] Docstrings have been added/updated in Google Style
• [x] Documentation has been updated
• [x] Code is ready for review