fix(theme-toggle): show moon in light mode, sun in dark mode (#16802)

Author: HazAT

src/components/theme-toggle.tsx

@@ -13,13 +13,13 @@ export function ThemeToggle({
     <Fragment>
       <style>{`
      :root, .light, .light-theme {
-       --theme-toggle-sun-icon-display: block;
-       --theme-toggle-moon-icon-display: none;
-     }
-     .dark, .dark-theme {
        --theme-toggle-sun-icon-display: none;
        --theme-toggle-moon-icon-display: block;
      }
+     .dark, .dark-theme {
+       --theme-toggle-sun-icon-display: block;
+       --theme-toggle-moon-icon-display: none;
+     }
    `}</style>
 
       <Tooltip className="radix-themes-custom-fonts" content="Toggle theme">