[Bug Report] Single click mouse selecting rules can sometimes result in multiple rules being selected (like Ctrl is being held)

[ngocphamm]

Describe the bug:

Include the following information:

• OpenSnitch version: 1.8.0
• OS: Ubuntu
• OS version: 26.04
• Window Manager: Gnome Shell + Wayland
• Kernel version: 7.0.0-30-generic

To Reproduce:

Steps to reproduce the behavior:

1. Open the Rules table.
2. Start GNOME screen recording with Ctrl+Alt+Shift+R.
3. Release all keys.
4. Single-click several different rules.
5. Observe that selections accumulate as if Ctrl remains pressed.
6. Right-click one row and choose Edit.
7. A different selected rule may open.

This can only be fixed by while on OpenSnitch UI window, press Ctrl + Shift and release the keys.

Post error logs:

Expected behavior (optional):

Single click to select rules should select that one rule under the cursor only.

Screenshots:

Additional context: