REPORT-55150 【组件背景分离】组件复用-标题设置下划线，选择下划线样式，目前web预览，不管选的什么下划线样式都显示的是单横线效果

【问题原因】
这是一个普遍存在的历史问题。临时性的解决方法是在组件样式设置面板中
隐藏下划线线型选择框，待后续全平台显示优化
【改动思路】
【review建议】

designer-form/src/main/java/com/fr/design/gui/xpane/LayoutStylePane.java

@@ -81,7 +81,7 @@ public class LayoutStylePane extends BasicBeanPane<LayoutBorderStyle> {
     private UIToggleButton titleFontBoldButton;
     private UIToggleButton titleFontItalicButton;
     private UIToggleButton titleFontUnderlineButton;
-    private LineComboBox titleFontUnderlineCombo;
+//    private LineComboBox titleFontUnderlineCombo; // 目前前端仅支持短横线类型的下划线，因此设计器端暂时就不展示线型选择框了，待后续优化
     // 标题图文混排
     protected TitleInsetImagePane titleInsetImagePane;
     //对齐方式
@@ -211,8 +211,8 @@ public class LayoutStylePane extends BasicBeanPane<LayoutBorderStyle> {
         titleFontUnderlineButton.setGlobalName(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Form_FRFont_Underline"));
         titleFontUnderlineButton.setToolTipText(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Form_FRFont_Underline"));
 
-        titleFontUnderlineCombo = new LineComboBox(UIConstants.BORDER_LINE_STYLE_ARRAY);
-        titleFontUnderlineCombo.setGlobalName(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Form_FRFont_Line_Style"));
+//        titleFontUnderlineCombo = new LineComboBox(UIConstants.BORDER_LINE_STYLE_ARRAY);
+//        titleFontUnderlineCombo.setGlobalName(com.fr.design.i18n.Toolkit.i18nText("Fine-Design_Form_FRFont_Line_Style"));
 
         titleInsetImagePane = new TitleInsetImagePane();
 
@@ -294,15 +294,15 @@ public class LayoutStylePane extends BasicBeanPane<LayoutBorderStyle> {
 
         JPanel containerPane = FRGUIPaneFactory.createBorderLayout_S_Pane();
         containerPane.add(buttonPane, BorderLayout.NORTH);
-        containerPane.add(titleFontUnderlineCombo, BorderLayout.CENTER);
+//        containerPane.add(titleFontUnderlineCombo, BorderLayout.CENTER);
 
-        titleFontUnderlineCombo.setVisible(false);
-        titleFontUnderlineButton.addChangeListener(new ChangeListener() {
-            @Override
-            public void stateChanged(ChangeEvent e) {
-                titleFontUnderlineCombo.setVisible(titleFontUnderlineButton.isSelected());
-            }
-        });
+//        titleFontUnderlineCombo.setVisible(false);
+//        titleFontUnderlineButton.addChangeListener(new ChangeListener() {
+//            @Override
+//            public void stateChanged(ChangeEvent e) {
+//                titleFontUnderlineCombo.setVisible(titleFontUnderlineButton.isSelected());
+//            }
+//        });
 
         return containerPane;
     }
@@ -349,7 +349,8 @@ public class LayoutStylePane extends BasicBeanPane<LayoutBorderStyle> {
         frFont = frFont.applyName(titleFontFamilyComboBox.getSelectedItem().toString());
         frFont = frFont.applyForeground(titleFontColorSelectPane.getColor());
         frFont = updateTitleFontItalicBold(frFont);
-        int line = titleFontUnderlineButton.isSelected() ? this.titleFontUnderlineCombo.getSelectedLineStyle() : Constants.LINE_NONE;
+//        int line = titleFontUnderlineButton.isSelected() ? this.titleFontUnderlineCombo.getSelectedLineStyle() : Constants.LINE_NONE;
+        int line = titleFontUnderlineButton.isSelected() ? Constants.LINE_THIN : Constants.LINE_NONE;
         frFont = frFont.applyUnderline(line);
         title.setFrFont(frFont);
         title.setPosition((Integer) titleAlignPane.getSelectedItem());
@@ -425,11 +426,11 @@ public class LayoutStylePane extends BasicBeanPane<LayoutBorderStyle> {
         int line = frFont.getUnderline();
         if (line == Constants.LINE_NONE) {
             titleFontUnderlineButton.setSelected(false);
-            titleFontUnderlineCombo.setVisible(false);
+//            titleFontUnderlineCombo.setVisible(false);
         } else {
             titleFontUnderlineButton.setSelected(true);
-            titleFontUnderlineCombo.setVisible(true);
-            this.titleFontUnderlineCombo.setSelectedLineStyle(line);
+//            titleFontUnderlineCombo.setVisible(true);
+//            this.titleFontUnderlineCombo.setSelectedLineStyle(line);
         }
 
         titleAlignPane.setSelectedItem(widgetTitle.getPosition());