Description

Fixed a bug where responses were sent to a new thread instead of the previous one when creating a new conversation.

Checklist

MR description has been reviewed
MR changes are functionally tested
MR does NOT have API/CLI changes OR there are API/CLI changes and they have been reviewed & DOCS ARE ADJUSTED (reference doc, etc)
MR does NOT have UI changes OR there are UI changes and they have been reviewed & UX IS REVIEWED