【训练任务】模型文件个数超过上限时，选择整个模型勾选状态变化问题

复现步骤：
1.新建训练任务，点击选择模型
2.对包含30个以上文件的模型，点击整个模型的勾选框，会自动勾选30个文件。左侧、右侧是同步的。
3.第二次点击整个模型的勾选框
期望结果：左侧、右侧展示的已勾选文件一致
实际结果：左侧全部勾选了整个模型的所有文件（超过上限数目），右侧显示了步骤2时未勾选的文件列表。

功能验证通过。清除按钮不太明显，样式需要优化一下。

备注：选择模型弹窗右侧已选文件列表区域下方，增加了【清除】按钮。

Deleting a branch is permanent. It CANNOT be undone. Continue?

Dear OpenI User

Thank you for your continuous support to the Openl Qizhi Community AI Collaboration Platform. In order to protect your usage rights and ensure network security, we updated the Openl Qizhi Community AI Collaboration Platform Usage Agreement in January 2024. The updated agreement specifies that users are prohibited from using intranet penetration tools. After you click "Agree and continue", you can continue to use our services. Thank you for your cooperation and understanding.

For more agreement content, please refer to the《Openl Qizhi Community AI Collaboration Platform Usage Agreement》

#4501 【训练任务】模型文件个数超过上限时，选择整个模型勾选状态变化问题