Pull request #3996: REPORT-51103 改下文件名的大小写

Merge in DESIGN/design from ~XIQIU/design:feature/10.0 to feature/10.0

* commit '26c35c4581411543152f0ba563ae284813fdf81a':
  REPORT-51103  改下文件名的大小写

designer-base/src/main/java/com/fr/design/gui/UILookAndFeel.java

@@ -173,8 +173,8 @@ public class UILookAndFeel extends MetalLookAndFeel {
         table.put("FileChooser.upFolderIcon", loadIcon("ParentDirectoryIcon.png", this));
         table.put("OptionPane.errorIcon", loadIcon("Information_Icon_Error_32x32.png", this));
         table.put("OptionPane.informationIcon", loadIcon("Information_Icon_OK_32x32.png", this));
-        table.put("OptionPane.narrow.right", loadIcon("icon_narrow_right_16x16.png", this));
-        table.put("OptionPane.narrow.down", loadIcon("icon_narrow_down_16x16.png", this));
+        table.put("OptionPane.narrow.right", loadIcon("Icon_Narrow_Right_16x16.png", this));
+        table.put("OptionPane.narrow.down", loadIcon("Icon_Narrow_Down_16x16.png", this));
         table.put("OptionPane.warningIcon", loadIcon("WarningIcon.png", this));
         table.put("OptionPane.questionIcon", loadIcon("QuestionIcon.png", this));
         table.put("ScrollPane.border", new UIScrollPaneBorder());