chore(demo->form-design): resolve ts error. close #2179 #1882

src/views/form-design/components/VFormDesign/components/JsonModal.vue

@@ -49,6 +49,7 @@
 
       // 计算json数据
       const editorJson = computed(() => {
+        // @ts-ignore
         return JSON.stringify(removeAttrs(state.jsonData), null, '\t');
       });