fix/import-missing-chat-data

[chungyau97]

Description

Fix missing imports for messages and feedbacks in AgentFlow and AssistantFlow.

Note: As of 20250508 AssistantOpenAI and AssistantAzure do not have chat message and feedback functionality implemented.

Test Data

yes chatmessage and chatfeedback.json
no chatmessage and chatfeedback.json
all.json

Before

1. Import all.json, AgentFlow and AssistantFlow messages and feedbacks not appear
   chat_flow
   
   assistant
   
   chat_message
   
   chat_message_feedback
   

2. Either a or b
   a. Import yes chatmessage and chatfeedback.json, Agentflow and AssistantFlow messages and feedbacks only appear, but this will duplicate Conversation Chain messages and feedbacks.
   chat_flow
   
   assistant
   
   chat_message red are duplicate data, blue are previously missing data
   
   chat_message_feedback red are duplicate data, blue are previously missing data
   
   b. Import all.json, ChatFlow, AgentFlow, and AssistantFlow will duplicate, but this will duplicate Conversation Chain messages and feedbacks. Agentflow and AssistantFlow messages and feedbacks are still missing.
   chat_flow
   
   assistant
   
   chat_message
   
   chat_message_feedback
   

After

1. Import all.json, ChatFlow, AgenFlow, and AssistantFlow messages and feedbacks appear
   chat_flow
   
   assistant
   
   chat_message
   
   chat_message_feedback
   

2. Import all.json again, messages and feedbacks will follow 2nd new ChatFlow, AgentFlow, and AssistantFlow Id
   chat_flow
   
   assistant
   
   chat_message
   
   chat_message_feedback
   

3. Import no chatmessage and chatfeedback.json again, 3rd new ChatFlow, AgentFlow, and AssistantFlow will not have chat messages and feedbacks
   Refer screenshots in point 4

4. Import yes chatmessage and chatfeedback.json, only orginal ChatFlow, AgentFlow, and AssistantFlow will have duplicate chat messages and feedbacks
   ChatFlow
   
   
   
   AgentFlow
   
   
   
   AssistantFlow