[BUG] Ctrl+R or auto refresh shuts down caprine

[dan1mmm]

Issue:

When Ctrl+R or open caprine after idle for a while, caprine tries to refresh the message and then closes the window.
Won't automatically restart, and "Quit on window closed" is not checked.

Reproduce:

• Minimize the window for a while (Uncertain) then open caprine.
• Ctrl+R to refresh the window

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Caprine 2.60.1
Electron 29.0.1
win32 10.0.22631
Locale: zh-TW