REPORT-60082 修复一处可能npe的问题

designer-form/src/main/java/com/fr/design/designer/beans/models/NewFormModel.java

@@ -61,7 +61,8 @@ public class NewFormModel implements Serializable {
 
     public void setConfig(Map<String, List<PredefinedLayout>> config) {
         for (String key : config.keySet()) {
-            this.config.put(i18nMap.get(key), config.get(key));
+            String i18nKey = StringUtils.isNotEmpty(i18nMap.get(key)) ? i18nMap.get(key) : key;
+            this.config.put(i18nKey, config.get(key));
         }
     }
 }