Icon font size didn't effect to custom color icon

[l2eused]

Describe the bug
when I try to increase/decrease icon size in settings, it doesn't applies new size to my icon that have custom color.

To Reproduce
Steps to reproduce the behavior:

1. add any icon to files/folders
2. change color by right-click >> change icon color
3. set new color for specific icon in 2.
4. go to settings >> iconize plugin settings >> icon font size (in pixels)
5. increase/decrease value by sliding bar(?)

Expected behavior
it should applies new size to all icon even if it custom color or not

Screenshots
dump note icon is default color (untouch icon)
free note icon is custom color

[FlorianWoelki]

This issue should be resolved with v2.12.1.