Can't copy from CopyQ (Flatpak)

**Describe the bug**

Installed CopyQ from flatpak. can't copy anything by double clicking on the item

**To Reproduce**

1. double click on any item
2. try to paste

**Expected behavior**

should copy the item after I double clicked on it

**Screenshots**

**Version, OS and Environment**

OS: Linux Mint 22.2 Zara (Ubuntu noble)
DE: Xfce
Kernel: 6.8.0-85-generic
App version: 12.0.1
Installation method: Flatpak

**Additional context**

Logs:

```[2025-10-19 21:59:14.474] Warning : [default] QtWarning: Qt: Session management error: Could not open network socket
[2025-10-19 21:59:14.748] Warning : [default] QtWarning: Qt: Session management error: Could not open network socket
[2025-10-19 21:59:22.864] Warning : [default] QtWarning: Qt: Session management error: Could not open network socket
[2025-10-19 21:59:22.864] Warning : [default] QtWarning: Qt: Session management error: Could not open network socket
```