A DESCRIPTION OF THE PROBLEM :
In JavaFX, after opening the custom color dialog box in ColorPicker, the entire ColorPicker will always be displayed at the top of the screen, even if you switch to another program window, the ColorPicker will remain obscured!


STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
1、Create a JavaFX blank window
2、Add a ColorPicker component to it
3、Run and open the custom color dialog box for ColorPicker
4、Switch to another program window and check for this error!

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
When you switch to another program window, all JavaFX windows should not obstruct the current program window!
ACTUAL -
The ColorPicker component window in JavaFX will always remain displayed at the top, obscuring the windows of other programs！

---------- BEGIN SOURCE ----------
ColorPicker colorPicker = new ColorPicker();
BorderPane root = new BorderPane(colorPicker);
Scene scene = new Scene(root, 400, 200);
stage.setScene(scene);
stage.show();
---------- END SOURCE ----------

FREQUENCY : always