Logs page source selector text overflows in certain languages

复现步骤 / Step to reproduce

1. Change the applanguage to a long-text locale (English or Russian).
2. Go to the Logs page.
3. Locate the source selector button.
4. Observe that the label text overflows or gets truncated inside the button.

预期行为 / Expected behavior

The source selector button should adjust its width, wrap text, or resize dynamically so the full text remains clear and readable in all supported languages without breaking the layout.

实际行为 / Actual behavior

应用日志 / App logs

No response

备注 / Addition details

No response

环境信息 / Environment information

Windows 11, version 25H2 Nyanpasu v2.0.0-alpha+19bd7e61

自查步骤 / Verify steps

• 如果您有足够的时间和能力，并愿意为此提交 PR，请勾上此复选框 / Pull request is welcome. Check this if you want to start a pull request
• 您已知悉如果没有提供正确的系统信息，以及日志，您的 Issue 会直接被关闭 / You have known that if you don't provide correct system information and logs, your issue will be closed directly
• 您已仔细查看并知情 Q&A 和 FAQ 中的内容 / You have read and understood the contents of Q&A and FAQ
• 您已搜索过 Issue Tracker，没有找到类似内容 / I have searched on Issue Tracker, No duplicate or related open issue has been found
• 您确保这个 Issue 只提及一个问题。如果您有多个问题报告，烦请发起多个 Issue / Ensure there is only one bug report in this issue. Please make multiply issue for multiply bugs
• 您确保已使用最新 Pre-release 版本测试，并且该问题在最新 Pre-release 版本中并未解决 / This bug have not solved in latest Pre-release version