CSS: If set padding on ColorPicker, padding increases after mouse move.

If set padding on ColorPicker, padding increases after mouse move.

Code to reproduce :

 @Override
    public void start(Stage primaryStage) {
        final Button btn = new Button();
        btn.setText("Set padding");
        final ColorPicker c = new ColorPicker();
        btn.setOnAction(new EventHandler<ActionEvent>() {
            @Override
            public void handle(ActionEvent event) {
               c.setStyle("-fx-padding:40;");
            }
        });
        VBox root = new VBox(10);
        root.getChildren().addAll(btn, c);
        Scene scene = new Scene(root, 300, 250);
        
        primaryStage.setTitle("Hello World!");
        primaryStage.setScene(scene);
        primaryStage.show();
    }