fix: 修复上传文档滚动条消失问题

ui/src/views/dataset/UploadDocumentDataset.vue

@@ -5,6 +5,7 @@
     </template>
     <div class="create-dataset__main flex" v-loading="loading">
       <div class="create-dataset__component main-calc-height">
+        <el-scrollbar>
           <template v-if="active === 0">
             <div class="upload-document p-24">
               <!-- 上传文档 -->
@@ -17,6 +18,7 @@
           <template v-else-if="active === 2">
             <ResultSuccess :data="successInfo" />
           </template>
+        </el-scrollbar>
       </div>
     </div>
     <div class="create-dataset__footer text-right border-t" v-if="active !== 2">