Add border to output window when theme is DarkLaf

DarkLaf scrollbars are so thin that you only have very few pixels to grab the scrollbar with the mouse, otherwise you get to resize the window.

src/java/com/javadeobfuscator/deobfuscator/ui/SwingWindow.java

@@ -1,5 +1,6 @@
 package com.javadeobfuscator.deobfuscator.ui;
 
+import java.awt.Color;
 import java.awt.Dialog;
 import java.awt.Dimension;
 import java.awt.FlowLayout;
@@ -32,6 +33,7 @@
 import java.util.stream.IntStream;
 
 import javax.swing.*;
+import javax.swing.border.MatteBorder;
 import javax.swing.border.TitledBorder;
 
 import com.github.weisj.darklaf.LafManager;
@@ -971,7 +973,11 @@ public void keyPressed(KeyEvent event)
 			JFrame newFrame = new JFrame();
 			newFrame.setTitle("Console");
 			area.setEditable(false);
-			newFrame.getContentPane().add(new JScrollPane(area));
+			JScrollPane outputScrollPane = new JScrollPane(area);
+			if (enableDarkLaf.getState()) {
+				outputScrollPane.setBorder(new MatteBorder(0, 8, 8, 8, Color.DARK_GRAY));
+			}
+			newFrame.getContentPane().add(outputScrollPane);
 			newFrame.pack();
 			newFrame.setSize(800, 600);
 			newFrame.setVisible(true);