Describe the bug
When I use the picker, It really laggy when I have a lot of opened applications like the browser.
It slow also when I use the picker on a second screen.

To Reproduce
Steps to reproduce the behavior:

1. Go to colorpicker
2. Click on picker feature
3. Use it on the screen or a second screen with a lot of others opened applications.

Expected behavior
Picker shouldn't be slow.

OS (please complete the following information):

• OS: Linux / Ubuntu / Arc Linux / ...?
• Version 10.19 / ...?

Colorpicker (please complete the following information):

• Version 2.0.3 / 2.0.4