[AGS] Battery, Brightness: Improve design

config/astal/components/QuickActions/modules/Brightness/Brightness.tsx

@@ -12,7 +12,7 @@ const BrightnessModule = () => {
             <image iconName={"brightness-high-symbolic"}></image>
             <label label={bind(brightness, "screen").as(b => `${Math.round(100 * b)}%`)}></label>
             <slider
-                value={bind(brightness, "screen").as(b => Math.round(100 * b))}
+                value={bind(brightness, "screen").as(b => 100 * b)}
                 hexpand
                 max={100}
                 min={0}