Window appears and immediately hides again when using `copyq toggle` and `copyq show`

**Describe the bug**
`copyq toggle` and `copyq show` don't work as expected. The program window appears and immediately hides again.

**To Reproduce**
When I use the `copyq toggle` or `copyq show` commands, the program window appears and immediately hides again.

**Expected behaviour**
`copyq toggle` and `copyq show` should toggle or show the program window.

**Version, OS and Environment**

```
CopyQ Clipboard Manager 10.0.0~noble
Qt: 5.15.13
KNotifications: 5.115.0
Compiler: GCC
Arch: x86_64-little_endian-lp64
OS: Linux Mint 22.1 (Cinnamon)
```