Additional models for mistral api provider

[d-oit]

Description

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

• Manuell Test in Ask / Code Mode
• Unit Test

Checklist:

• My code follows the patterns of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation

Additional context

check: #917

Related Issues

Reviewers

@mrubens

---

Important

Adds new Mistral models, updates handler for custom URLs, and enhances UI and tests for Mistral API provider.

• Behavior:
  • Adds new models to mistralModels in api.ts, including mistral-large-latest, ministral-8b-latest, ministral-3b-latest, mistral-small-latest, and pixtral-large-latest.
  • Updates MistralHandler in mistral.ts to support custom base URL for Codestral models.
• Tests:
  • Adds mistral.test.ts to test MistralHandler initialization, model retrieval, message creation, and error handling.
• UI:
  • Updates ApiOptions.tsx to include input for mistralCodestralUrl when a Codestral model is selected.
  • Adds mistral to the API provider dropdown in ApiOptions.tsx.

^{This description was created by for 8a5563b. It will automatically update as commits are pushed.}

[changeset-bot]

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Latest commit: a9d8a1d

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[mrubens]

Thank you!

[d-oit]

Thank you!

@mrubens please check #999
https://discord.com/channels/1332146336664915968/1339950179650113640/1339950179650113640