... But make them nondistinct in all themes, so this commit does not yet make
user visible changes.
This uses the HiliteButtonExpandSel resource which was previously unused.
Perhaps not the intended use of the resource so named, but names can change in
2.2.1.
The two were already alike in Classic but the unused one had been just black
in the others.
Adding an orange border around the images in a theme makes it much easier to cut and paste in the correct position. I've also expanded the internal images and fixed up a few image details - the pins/bobbins on darker themes, and the light blue rather than dark blue for negative times.
