fix: 附件预览问题

package.json

 {
   "name": "panda-xform",
-  "version": "5.7.8",
-  "description": "5.7.8 计算属性参数优化",
+  "version": "5.7.9",
+  "description": "5.7.9 附件预览问题",
   "keywords": [
     "panda-xform"
   ],

src/core/widgets/file/FileUpload/index.js

@@ -325,6 +325,7 @@ const FileUpload = (props) => {
         width={'70%'}
         title={showFile.name}
         visible={visible}
+        destroyOnClose
         onCancel={() => setVisible(false)}
         bodyStyle={{ height: 650, overflowY: showFile.fileType.includes('xlsx') ? 'none' : "auto" }}
       >

src/core/widgets/settings/groupSource/CalculateRule/index.js

@@ -35,6 +35,7 @@ const CalculateRule = (props) => {
       { label: '求和', value: '$sql.sum()', disabled },
       { label: '平均值', value: '$sql.avg()', disabled },
       { label: '时间差', value: '$sql.datediff()', disabled: false },
+      { label: '时间计算', value: '$sql.dateadd()', disabled: false },
       { label: '向下取整', value: '$sql.ceiling()', disabled: false },
       { label: '向上取整', value: '$sql.floor()', disabled: false },
     ]