!834 fix:bpm 流程表单编辑打开直接保存js丢失问题修复

Merge pull request !834 from aho/master

src/utils/formCreate.ts

@@ -7,7 +7,7 @@ import formCreate from '@form-create/element-ui'
 // 编码表单 Conf
 export const encodeConf = (designerRef: object) => {
   // @ts-ignore
-  return JSON.stringify(designerRef.value.getOption())
+  return formCreate.toJson(designerRef.value.getOption())
 }
 
 // 编码表单 Fields