fix: fixed a long-term battery widget glitch when a black vertical line is visible in the widget preview

Kit/Widgets/Battery.swift

@@ -174,7 +174,7 @@ public class BatteryWidget: WidgetWrapper {
         batteryPointSeparator.line(to: CGPoint(x: bPX, y: batteryFrame.bounds.origin.y + batteryFrame.bounds.height))
         ctx.saveGState()
         ctx.setBlendMode(.destinationOut)
-        NSColor.textColor.set()
+        NSColor.white.set()
         batteryPointSeparator.lineWidth = borderWidth
         batteryPointSeparator.stroke()
         ctx.restoreGState()