assistant: Add Mistral support (#24879)

Closes #12519.

Release Notes:

- Added support for Mistral to the Assistant.

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Co-authored-by: Marshall Bowers <git@maxdeviant.com>
7ee492746dShidfar Hodizoda committed on 2/14/2025, 6:07:41 PM· committed by GitHubparent5c5caf1
15 files changedLine totals unavailable