When I use the FileChooser to open a file in applet's fullscreen mode, the applet become no response.

FileChooserBuilder builder = FileChooserBuilder.create();
builder.extensionFilters(new ExtensionFilter("Image Files","*.JPG","*.JPEG","*.GIF","*.PNG","*.BMP"));
FileChooser fileChooser =builder.build();
fileChooser.setTitle("Please select an image file");
        
File file = fileChooser.showOpenDialog(stage);