fix: Front-end error

(cherry picked from commit b07641c)

Author: wxg0103

ui/src/views/application-workflow/component/DropdownMenu.vue

@@ -243,7 +243,6 @@ function onmousedown(item: any, data?: any, type?: string) {
       }
     }
   }
-  console.log('xx', item)
   props.workflowRef?.onmousedown(item)
   emit('onmousedown', item)
 }

ui/src/workflow/nodes/application-node/index.vue

@@ -214,8 +214,8 @@ const update_field = () => {
           if (find_field) {
             return {
               ...item,
-              default_value: JSON.parse(JSON.stringify(find_field.default_value)),
-              value: JSON.parse(JSON.stringify(find_field.value)),
+              default_value: find_field.default_value,
+              value: find_field.value,
               label:
                 typeof item.label === 'object' && item.label != null ? item.label.label : item.label
             }
@@ -235,8 +235,8 @@ const update_field = () => {
           if (find_field) {
             return {
               ...item,
-              default_value: JSON.parse(JSON.stringify(find_field.default_value)),
-              value: JSON.parse(JSON.stringify(find_field.value)),
+              default_value: find_field.default_value,
+              value: find_field.value,
               label:
                 typeof item.label === 'object' && item.label != null ? item.label.label : item.label
             }