Fix icon size in previous commit

[luzpaz]

Icon size has been altered ![Uploading Screenshot_20221107_131841.png…]()

Props to @mistermakernl

Context: https://github.com/howie-j/FreeCAD-Wizard/issues/8

[luzpaz]

[MisterMakerNL]

I made a fork and kicked out all the icons. :)

[howie-j]

Thanks for the work @luzpaz and @MisterMakerNL!