GUI, preferences: reworked size settings:

- added size settings for player's panel size (closes #12455, closes #12451, closes #5605);
- size settings can be edit by slider or by text edit;
- size settings for fonts has preview button with real text sample;
- improved some tabs and hints for better UX;
- improved GUI rendering performance;

Mage.Client/src/main/java/mage/client/components/HoverButton.java

@@ -131,6 +131,7 @@ public class HoverButton extends JPanel implements MouseListener {
 
     @Override
     public void paintComponent(Graphics g) {
+        // must ignore look and fill, so no calls of super.paintComponent(g);
         Graphics2D g2d = (Graphics2D) g;
         if (isEnabled()) {
             if (isHovered || textAlwaysVisible) {