🎨 style: remove break-all class in modelSpec menu

[wipash]

Summary

Removes the break-all class added in #2731, as it doesn't seem to affect how long Chinese modelSpec descriptions are displayed, but causes long English descriptions to break on characters instead of on words.

Before:

After:

Change Type

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• Bug fix (non-breaking change which fixes an issue)

Testing

Test config:

All npm run test:client tests pass.

The display of the menu is the same in both desktop and landscape, and across different UI languages.
Tested in Firefox, Edge, Chrome.

Tested with the following config:

modelSpecs:
  list:
    - name: claude-3-5-sonnet
      label: Claude
      description: Claude is an equally capable alternative to ChatGPT, with a different personality and approach to conversation
      preset:
        endpoint: anthropic
        model: claude-3-5-sonnet-20241022
        modelLabel: Claude
    - name: gpt-4o
      label: ChatGPT
      description: ChatGPT is great for general conversation and answering questions
      preset:
        endpoint: openAI
        model: chatgpt-4o-latest
        modelLabel: ChatGPT
    - name: o1-preview
      label: GPT-o1
      description: GPT-o1 is good at performing complex reasoning. It's slower and more verbose than ChatGPT.
      preset:
        endpoint: openAI
        model: o1-preview
        modelLabel: GPT-o1
    - name: "gemini"
      label: "Gemini"
      description: 该模型能够同时处理文本、图像、音频、视频和代码等多种数据类型，并具备生成高质量代码的能力。
      preset:
        endpoint: "google"
        model: "gemini-1.5-pro-latest"
        modelLabel: "Gemini"

Checklist

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• My code adheres to this project's style guidelines
• I have performed a self-review of my own code
• My changes do not introduce new warnings
• Local unit tests pass with my changes

[jahanzaibtariq]

Approved.

[berry-13]

thank you!