[Bug Report] Duplicate tray icon after disable and enable icon

[yalin]

Describe the bug A clear and concise description of what the bug is.

I'm using Ubuntu 20.04. From the settings menu, I disable tray icon, then enable again. Previous icon turns into three dots and a new WALC icon appears on the left of the previous icon. It can be seen detailed in the screenshot

WALC Installation Type: AppImage / Snap Snap

To Reproduce Steps to reproduce the behavior:

1. Go to settings > tray icon
2. Click on "enable tray icon" to disable
3. Click on "enable tray icon" to enable again
4. See error on tray icon area.

Expected behavior A clear and concise description of what you expected to happen.

Did you try closing and then opening it back?: Yes / No Yes

Screenshots If applicable, add screenshots to help explain your problem.

System Information (please complete the following information):

• OS/Distro:
• Ubuntu 20.04

Additional context Add any other context about the problem here.