Delete the 24 pre-baked stoplight PNGs and their resx/designer entries, and
register the dark-mode probe the shared generator needs to pick a palette.
The shared renderings are supersampled, so DrawButtonImage takes the scale they
were rendered at and keeps drawing them at their logical size.
Co-authored-by: rmcrackan <rmcrackan@gmail.com>
- Add dark theme icon variants
- Change all light theme icon fill colors to match Chardonnay
Also fixed#1460 by chaing the directory select control to DirectoryOrCustomSelectControl
