Can't see Group Expander/Collapser in Dark Theme

Greetings Gurus. The icon for group folding is only useful for light themes.
When using dark themes it's virtually transparent as the screenshot below highlights.
Please give users an option for setting the color in preferences.
I mentioned this in 2016; Dark theme Issue: Can't see Group Expander/Collapser

Mystik%200003

A post was merged into an existing topic: Dark theme Issue: Can't see Group Expander/Collapser