[Bug] No citation contents in activity.entities when context.sendActivity

[frankqianms]

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Version

botbuilder_integration_aiohttp-4.16.2

Describe the bug

When I was sending the activity with citation contents, no citation contents included in the request body to Teams Channel.

To Reproduce

1.git clone: https://github.com/frankqianms/custom-datasource-py
2.Open the repo using VS Code.
3.fill in your azure openai api key, endpoint and deployment model name in env/.env.testtool.user
4.Start debugging with Debug in Test Tool option
5.Send message "Summarize Perksplus Program"
6.Line 113 in src/custom_say_command.py will print ourt message.entities with correct citation contents, but context.send_activity() will raise a request to Teams Channel without citations in message.entities.
...

Expected behavior

Citation contents contained in the request body to Teams Channel.

Screenshots

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Additional context

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[frankqianms]

The related issue: microsoft/teams-ai#2307.