REPORT-58721 【主题切换】单元格样式下面空白区域，应该是灰色的

【问题原因】
List自带了白色的背景，导致出现的背景异常

【改动思路】
同上

designer-realize/src/main/java/com/fr/design/mainframe/cell/settingpane/style/ThemedCellStyleListPane.java

@@ -42,6 +42,8 @@ public class ThemedCellStyleListPane extends FurtherBasicBeanPane<NameStyle> imp
         defaultListModel = new DefaultListModel<>();
         styleList = new JList<>(defaultListModel);
         styleList.setCellRenderer(new RadioButtonListCellRenderer());
+        styleList.setOpaque(false);
+        styleList.setBackground(null);
         setLayout(FRGUIPaneFactory.createBorderLayout());
         add(styleList, BorderLayout.CENTER);
         setBorder(BorderFactory.createEmptyBorder(0 ,LEFT_BORDER, 0, RIGHT_BORDER));