Changing icon color does not update icon label color

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Changing the color of an icon with text does not change the color of the text.
- Add an icon with a label underneath
- Change the color of the icon to purple (simply because that's a nice color :-))
- The color of the icon changes, the color of the text does not

You have to set the icon to disabled and back in order to force an update and cause the text to also be displayed in purple.