[Dashboard] 启动面板后如果没有进入过库页面, 贸然连接插件导致崩溃

[Dynesshely]

📄 Describe the bug
启动面板后如果没有进入过库页面, 贸然连接插件导致崩溃

⛏ To Reproduce
Steps to reproduce the behavior:

1. 提前设定主窗口页面选择为除库页面之外的页面
2. 启动主窗口
3. 连接插件
4. See error

⚒ Expected behavior
Nope.

🖼 Screenshots
Nope.

🖥 Desktop (please complete the following information):

• OS: Windows 11
• Version KitX v3.22.04

📱 Smartphone (please complete the following information):
Nope.

📎 Additional context
Nope.