Pull request #2131: REPORT-37769 表单多tab，设置选中背景，如果增加一个tab，第一个tab0的选中背景就会失效

Merge in DESIGN/design from ~PENGDA/design:release/10.0 to release/10.0

* commit 'a32b58db7d502d8fa7d030e824dcda47d08b57d6':
  REPORT-37769 表单多tab，设置选中背景，如果增加一个tab，第一个tab0的选中背景就会失效

designer-form/src/main/java/com/fr/design/designer/creator/cardlayout/XWCardTagLayout.java

@@ -143,7 +143,7 @@ public class XWCardTagLayout extends XWHorizontalBoxLayout {
             fitLayout.setInitialBackground(layout.getTemplateStyle().getTabDefaultBackground());
             fitLayout.setCustomStyle(true);
         }
-        tabFitLayout.setxCardSwitchButton((XCardSwitchButton)this.getComponent(0));
+        tabFitLayout.setxCardSwitchButton((XCardSwitchButton)this.getComponent(index));
         tabFitLayout.checkButonType();
         tabFitLayout.setBackupParent(cardLayout);
         cardLayout.add(tabFitLayout, widgetName);