[app-builder] 兼容旧数据，规避应用导出时config property找不到对应form property时报错 (#168)

Author: reeeborn33

app-builder/jane/plugins/aipp-plugin/src/main/java/modelengine/fit/jober/aipp/util/AppImExportUtil.java

@@ -162,6 +162,9 @@ public static AppExportConfigProperty convertToAppExportConfigProperty(AppBuilde
      * @return 表示应用导出配置表单属性的 {@link AppExportFormProperty}。
      */
     public static AppExportFormProperty convertToAppExportFormProperty(AppBuilderFormProperty appBuilderFormProperty) {
+        if (appBuilderFormProperty == null) {
+            return null;
+        }
         return AppExportFormProperty.builder()
                 .name(appBuilderFormProperty.getName())
                 .dataType(appBuilderFormProperty.getDataType())