chore: model loading and truncate dropdown assiatant title

[urmauur]

Describe Your Changes

This pull request introduces several updates to the ChatInput and DropdownAssistant components, along with minor adjustments in the ThreadDetail route. The changes focus on improving user experience by refining UI behavior, temporarily hiding unused features, and enhancing the loading experience for specific models. Below is a breakdown of the most important changes:

Changes to ChatInput Component:

• Removed the unused IconMicrophone import and temporarily commented out the microphone feature in the UI. This suggests the feature is being hidden for now but may return in the future. [1] [2]
• Introduced conditional rendering for the ModelLoader component to display a loading indicator when the llama.cpp model is selected and still loading. [1] [2]
• Added a console.log(model) statement, likely for debugging purposes. This should be removed before deploying to production.

Changes to DropdownAssistant Component:

• Adjusted the padding and alignment of dropdown menu items to improve the visual layout and spacing. [1] [2]

Changes to ThreadDetail Route:

• Removed the ModelLoader component and its associated logic from the ThreadDetail route, centralizing the loading behavior within the ChatInput component. This simplifies the code and avoids duplication. [1] [2] [3]

Fixes Issues

• Closes #
• Closes #

Self Checklist

• Added relevant comments, esp in complex areas
• Updated docs (for bug fixes / features)
• Created issues for follow-up changes or refactoring needed

[louis-menlo]

LGTM, thanks!

[github-actions]

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