feat(theming): land Ant Design v5 overhaul — dynamic themes, real dark mode + massive styling refactor (#31590)

Co-authored-by: Enzo Martellucci <52219496+EnxDev@users.noreply.github.com>
Co-authored-by: Diego Pucci <diegopucci.me@gmail.com>
Co-authored-by: Mehmet Salih Yavuz <salih.yavuz@proton.me>
Co-authored-by: Geido <60598000+geido@users.noreply.github.com>
Co-authored-by: Alexandru Soare <37236580+alexandrusoare@users.noreply.github.com>
Co-authored-by: Damian Pendrak <dpendrak@gmail.com>
Co-authored-by: Pius Iniobong <67148161+payose@users.noreply.github.com>
Co-authored-by: Enzo Martellucci <enzomartellucci@gmail.com>
Co-authored-by: Kamil Gabryjelski <kamil.gabryjelski@gmail.com>

superset-frontend/plugins/plugin-chart-echarts/src/Funnel/transformProps.ts

@@ -227,7 +227,9 @@ export default function transformProps(
   const defaultLabel = {
     formatter,
     show: showLabels,
-    color: theme.colors.grayscale.dark2,
+    color: theme.colorText,
+    textBorderColor: theme.colorBgBase,
+    textBorderWidth: 1,
   };
 
   const series: FunnelSeriesOption[] = [
@@ -245,7 +247,6 @@ export default function transformProps(
       label: {
         ...defaultLabel,
         position: labelLine ? 'outer' : 'inner',
-        textBorderColor: 'transparent',
       },
       emphasis: {
         label: {