KERNEL-7376 优化设计器上一些性能问题

designer-base/src/main/java/com/fr/base/svg/SVGIcon.java

@@ -7,8 +7,8 @@ import java.awt.Component;
 import java.awt.Graphics;
 import java.awt.Graphics2D;
 import java.awt.image.BufferedImage;
-import java.util.HashMap;
 import java.util.Map;
+import java.util.concurrent.ConcurrentHashMap;
 
 /**
  * SVG转化而来的Icon
@@ -30,7 +30,7 @@ public class SVGIcon implements Icon {
         this.image = image;
     }
 
-    private static Map<String, Icon> iconCache = new HashMap<>();
+    private static Map<String, Icon> iconCache = new ConcurrentHashMap<>();
 
     @Override
     public void paintIcon(Component c, Graphics g, int x, int y) {

designer-base/src/main/java/com/fr/design/mainframe/JTemplate.java

@@ -82,8 +82,10 @@ import javax.swing.JComponent;
 import javax.swing.JOptionPane;
 import javax.swing.tree.DefaultMutableTreeNode;
 import javax.swing.undo.UndoManager;
-import java.util.*;
-import java.util.regex.Pattern;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.Set;
 import java.awt.BorderLayout;
 
 /**