Pull request #15936: REPORT-140744 【FR图表】图表提示富文本编辑字段保存后为空

Merge in DESIGN/design from ~FANGLEI/design:release/11.0 to release/11.0

* commit '232e4395fc379ea53005ec21fdb06e5fc60d4362':
  REPORT-140744 【FR图表】图表提示富文本编辑字段保存后为空

designer-chart/src/main/resources/com/fr/design/editor/script/editor.js

@@ -129,7 +129,7 @@
                         return;
                     }
 
-                    value = window.transformI18nText(value);
+                    value = window.transformI18nText(value) ? window.transformI18nText(value) : value;
 
                     str += " " + key + "=\"" + value + "\"";