Clear chat history when switching user views of aichat level

[fisher-alice]

This PR updates aichat so that when a teacher switches the user view of an aichat level via the teacher channel, the chat history is cleared.

After update

https://github.com/code-dot-org/code-dot-org/assets/107423305/5ea4aa03-650f-488f-ab87-ffea27761c58

Links

jira

Testing story

Tested locally in /allthethings aichat levels with a teacher account with a section that has two student accounts.

Deployment strategy

Follow-up work

• Investigate 'strange behavior' when teacher views student aichat levels Slack thread
• Update read-only view of aichat level https://codedotorg.atlassian.net/browse/LABS-758

Privacy

Security

Caching

PR Checklist:

• [ ] Tests provide adequate coverage
• [ ] Privacy and Security impacts have been assessed
• [ ] Code is well-commented
• [ ] New features are translatable or updates will not break translations
• [ ] Relevant documentation has been added or updated
• [ ] User impact is well-understood and desirable
• [ ] Pull Request is labeled appropriately
• [ ] Follow-up work items (including potential tech debt) are tracked and linked

[bencodeorg]

I don't even know if I agree with my past self here, but thoughts on keeping the clearing logic together with what we have in AichatView?

https://github.com/code-dot-org/code-dot-org/pull/58103#discussion_r1575181925

[fisher-alice]

I don't even know if I agree with my past self here, but thoughts on keeping the clearing logic together with what we have in AichatView?

#58103 (comment)

Oh yeah - I think it would make sense to move to AichatView. Thanks!