Dev modelhost v2

[linjm8780860]

1. Refactor model upload using asynchronous WebSocket
2. Display model upload progress
3. Replace directory selection with input for local model directory path for upload (no longer need to set max-upload-size)
4. Modify the model display method
5. Added custom dialog
6. Added custom toast

[github-actions[bot]]

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[doombeaker]

现在的进度条是不是还有点鸡肋，就是一起转圈圈，具体某个文件上传完与否，还得查看控制台。