Runtime inversion is not a theming system: it rotates hue, breaks duotone art
and mishandles alpha, and a QPixmap snapshot cannot follow a palette change.
Redraw the top-level UI glyph set on a 24x24 grid with `currentColor` as the
paint token, drop Inkscape/Sodipodi cruft, and delete the icons whose metaphor
was duplicated (cogwheel/gear -> settings, scale_balanced -> scales,
update.png -> reload).
Load the glyphs through `loadThemedIcon` so the engine resolves the token from
the palette on every request, and let `themePixmap` use the same resolution for
one-shot pixmaps. `loadColorAdjustedPixmap` is gone; every caller now keeps a
QIcon, which `SettingsButtonWidget::setButtonIcon` accepts instead of a QPixmap.
Content art (mana, counters, countries) keeps its authored colors.
Add a render test covering aspect ratio, palette flips, icon modes and
high-DPI pixmaps.
* [VDE] Change sort quick settings button icon from gear to sort arrow
Took 12 minutes
* Actually include the icon.
Took 4 minutes
Took 13 seconds
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Co-authored-by: Lukas Brübach <Bruebach.Lukas@bdosecurity.de>
