feat: 国际化 'views/404' 和 'views/application' 页面

[tongque0]

Summary of your change

• 完成了 'views/404' 和 'application' 页面的国际化工作
• 使用 GPT-4 Turbo 进行翻译，确保准确性和文化相关性
• 国际化按钮默认已隐藏

Please indicate you've done the following:

• Made sure tests are passing and test coverage is added if needed.
• Made sure commit message follow the rule of Conventional Commits specification.
• Considered the docs impact and opened a new docs issue or PR with docs changes if needed.

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