Most of these are display hacks because (at least on OSX) assigning
bitmaps or doing a layout before the controls are visible tends to
not work. There are also some layout cleanups and some layout hacks
(horizontal radio button groups, for instance, lay out on top of each
other on OSX).
Fixes https://gitlab.com/kicad/code/kicad/issues/7491
By default, the e series calculator does not return the input value.
This would be counter-productive b/c if you are looking for a new value,
we assume that is because you do not already have the existing value to
hand.
Jeff Young
Seth Hillbrand
Janvi