REPORT-70481 远程设计切换校验机制优化

1.删除多余代码；2.工具类判空

designer-base/src/main/java/com/fr/design/plugin/remind/PluginInvalidateRemindDialog.java

@@ -1,5 +1,6 @@
 package com.fr.design.plugin.remind;
 
+import com.fr.common.util.Collections;
 import com.fr.design.actions.UpdateAction;
 import com.fr.design.gui.ibutton.UIButton;
 import com.fr.design.gui.ilable.UILabel;
@@ -12,7 +13,6 @@ import com.fr.general.FRFont;
 import com.fr.general.IOUtils;
 import com.fr.log.FineLoggerFactory;
 import com.fr.plugin.context.PluginMarker;
-import com.fr.plugin.injectable.PluginModule;
 import com.fr.plugin.manage.PluginManager;
 import com.fr.plugin.manage.control.PluginTaskCallback;
 import com.fr.plugin.manage.control.PluginTaskResult;
@@ -98,7 +98,6 @@ public class PluginInvalidateRemindDialog extends JDialog implements ActionListe
 
         topPane.add(imagePanel, BorderLayout.WEST);
         topPane.add(verticalPanel, BorderLayout.CENTER);
-//        topPane.setPreferredSize(DesignSizeI18nManager.getInstance().i18nDimension("com.fr.design.plugin.remind.PluginInvalidateRemindDialog.topPane"));
         topPane.setBorder(BorderFactory.createEmptyBorder(10, 0, 0, 20));
         return topPane;
     }
@@ -191,7 +190,7 @@ public class PluginInvalidateRemindDialog extends JDialog implements ActionListe
          * @param toDelete
          */
         private void deleteEmbedPlugins(List<PluginMarker> toDelete) {
-            if (toDelete == null) {
+            if (Collections.isEmpty(toDelete)) {
                 return;
             }
             for (PluginMarker pluginMarker : toDelete) {