Pull request #2023: REPORT-37014 插件卸载后数据集面板图标还在的问题

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

* commit 'd08934cdce956d34cdee11651161630f40b16168':
  update
  REPORT-37014 插件卸载后数据集面板图标还在的问题

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

@@ -39,8 +39,12 @@ public class WestRegionContainerPane extends UIResizableContainer {
         
             @Override
             public void on(PluginEvent event) {
-            
-                setDownPane(TableDataTreePane.getInstance(DesignModelAdapter.getCurrentModelAdapter()));
+
+                if (getDownPane() != null) {
+                    replaceDownPane(TableDataTreePane.getInstance(DesignModelAdapter.getCurrentModelAdapter()));
+                } else {
+                    setDownPane(TableDataTreePane.getInstance(DesignModelAdapter.getCurrentModelAdapter()));
+                }
             }
         }, new PluginFilter() {