[Bug] The mobile version lacks a button to upload files

[JIeJaitt]

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描述问题 gemini pro是可以使用图片的，但是在移动端界面上的面板好像是没有上传文件的按钮的，只有pc上才有。

有一个基于本项目二开的面板有：https://gemini-chat.pro/

如何复现 如上所述

截图 本项目移动端聊天窗口(没有上传文件按钮)

网友二开的本项目移动端截图(有上传文件按钮，在发送框最右边)

一些必要的信息

• 系统：安卓11
• 浏览器：chrome
• 版本： 最新版本
• 部署方式：vercel

[Issues-translate-bot]

Bot detected the issue body's language is not English, translate it automatically.

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Title: [Bug] The mobile version lacks a button to upload files

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Describe the problem Gemini Pro can use pictures, but the panel on the mobile interface does not seem to have a button to upload files. It is only available on PC.

There is a second panel based on this project: https://gemini-chat.pro/

How ​​to reproduce as mentioned above

screenshot The mobile chat window of this project (no upload file button)

A screenshot of the mobile version of this project taken by a netizen (there is a file upload button on the far right side of the send box) 

Some necessary information

• System: Android 11
• Browser: chrome
• Version: Latest version
• Deployment method: vercel

[reece00]

你这说的，好像不手机就有上传一样。